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Dodd, Will. "Psychosocial Development in Adolescents." Digital Commons @ East Tennessee State University, 2020. https://dc.etsu.edu/etsu-works/8923.
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Ignatius, Catherine. "Divorce and adolescent psychosocial development." Theological Research Exchange Network (TREN), 1987. http://www.tren.com.
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Ellis, Lesa K. "Individual differences and adolescent psychosocial development /." view abstract or download file of text, 2002. http://www.lib.umi.com/cr/uoregon/fullcit?p3061943.
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Thesis (Ph. D.)--University of Oregon, 2002.<br>Typescript. Includes vita and abstract. Includes bibliographical references (leaves 183-196). Also available for download via the World Wide Web; free to University of Oregon users.
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Ноздрунов, Володимир Андрійович. "The Stages of Web Application Development." Thesis, Київський національний університет технологій та дизайну, 2017. https://er.knutd.edu.ua/handle/123456789/7378.
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Huang, Yu. "Psychosocial development of college students in Taiwan /." The Ohio State University, 1999. http://rave.ohiolink.edu/etdc/view?acc_num=osu148818889443997.
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Hunt-Morse, Marcy Chamberlain. "Adolescent mothers' psychosocial development : implications for parenting /." view abstract or download file of text, 2002. http://wwwlib.umi.com/cr/uoregon/fullcit?p3055692.
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Thesis (Ph. D.)--University of Oregon, 2002.<br>Typescript. Includes vita and abstract. Includes bibliographical references (leaves 126-133). Also available for download via the World Wide Web; free to University of Oregon users.
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Fisher, W. D., and E. J. Pegelow. "Heat Units and Stages of Plant Development." College of Agriculture, University of Arizona (Tucson, AZ), 1986. http://hdl.handle.net/10150/219831.
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Thompson, Lisa Marie. "Psychosocial stress during pregnancy and subsequent infant development." Thesis, Liverpool John Moores University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.242311.
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Bennecke, Elena [Verfasser]. "Disorders of Sex Development : Psychosocial Aspects / Elena Bennecke." Berlin : Freie Universität Berlin, 2021. http://d-nb.info/1228334544/34.
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Dunn, Joshua Amaro. "The Effects of Psychosocial Development on Parasocial Relationships." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1429813436.
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Price, Melanie Anne. "Psychosocial variables in the development of breast cancer." Phd thesis, Department of Psychological Medicine, 2002. http://hdl.handle.net/2123/7776.
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REVERBERI, ELEONORA. "WINNING RELATIONSHIP: A PSYCHOSOCIAL APPROACH TO TALENT DEVELOPMENT." Doctoral thesis, Università Cattolica del Sacro Cuore, 2019. http://hdl.handle.net/10280/57796.
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Il lavoro ha esplorato il tema dello sviluppo del talento nello sport a partire da una prospettiva psicosociale. Per fare questo si è posto due obiettivi principali: il primo di esplorare la letteratura sul talento nello sport per identificare quelle teorie che meglio potessero rispecchiare l'approccio psicosociale. Il secondo obiettivo è stato quello di studiare empiricamente come le relazioni impattano sul benessere psicologico dei giovani atleti, ipotizzando che esso si possa considerare una condizione particolarmente favorevole per lo sviluppo del potenziale. La ricerca condotta non solo ha identificato con successo una serie di teorie che sostengono l'utilizzo dell'approccio psicosociale allo sviluppo del talento, ma ha anche dimostrato come migliori relazioni, mediate da una serie di variabili psicologiche individuali, vadano ad influenzare positivamente il benessere psicologico di giovani calciatori, e quindi secondo l'ipotesi del lavoro, il loro efficace sviluppo come atleti.<br>the work explored talent development in sport following a psychosocial approach. It has two main aims: the first was to explore literature on talent development in sport to identify theories that better support psychosocial approach to talent development. the second aim was to study empirically how relationship impact on psychological wellbeing of young talented athletes, hypotesizing that it describes a particularly effective ground breaking condition for the development of potentiality. Research finds support for psychosocial approach to talent development in many theories on talent development, and next to this it also show how having positive relationship impact on psychological wellbeing thanks to the mediation effect of psychological characteristics and consequently of athletes' potential.
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REVERBERI, ELEONORA. "WINNING RELATIONSHIP: A PSYCHOSOCIAL APPROACH TO TALENT DEVELOPMENT." Doctoral thesis, Università Cattolica del Sacro Cuore, 2019. http://hdl.handle.net/10280/57796.
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Il lavoro ha esplorato il tema dello sviluppo del talento nello sport a partire da una prospettiva psicosociale. Per fare questo si è posto due obiettivi principali: il primo di esplorare la letteratura sul talento nello sport per identificare quelle teorie che meglio potessero rispecchiare l'approccio psicosociale. Il secondo obiettivo è stato quello di studiare empiricamente come le relazioni impattano sul benessere psicologico dei giovani atleti, ipotizzando che esso si possa considerare una condizione particolarmente favorevole per lo sviluppo del potenziale. La ricerca condotta non solo ha identificato con successo una serie di teorie che sostengono l'utilizzo dell'approccio psicosociale allo sviluppo del talento, ma ha anche dimostrato come migliori relazioni, mediate da una serie di variabili psicologiche individuali, vadano ad influenzare positivamente il benessere psicologico di giovani calciatori, e quindi secondo l'ipotesi del lavoro, il loro efficace sviluppo come atleti.<br>the work explored talent development in sport following a psychosocial approach. It has two main aims: the first was to explore literature on talent development in sport to identify theories that better support psychosocial approach to talent development. the second aim was to study empirically how relationship impact on psychological wellbeing of young talented athletes, hypotesizing that it describes a particularly effective ground breaking condition for the development of potentiality. Research finds support for psychosocial approach to talent development in many theories on talent development, and next to this it also show how having positive relationship impact on psychological wellbeing thanks to the mediation effect of psychological characteristics and consequently of athletes' potential.
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Marais, Susara. "Characterization of the early stages in biofilm development." Thesis, Stellenbosch : Stellenbosch University, 2004. http://hdl.handle.net/10019.1/49880.
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Thesis (MSc)--Stellenbosch University, 2004.<br>ENGLISH ABSTRACT: Complex biofilm communities have extensively been studied in the past. Less work
has been done on the early stages of biofilm formation. This study aimed to assess
initial colonization patterns of biofilms on different surfaces and under different
environmental conditions with application of novel methods describing biofilm
surface profiles. Biofilms were cultivated on glass, polyvinylchloride (PVC) and
polished stainless steel. Results from microscopy, followed by mathematical analysis
and contact angle measurements proved that glass was the most appropriate substrate
for this study. More extensive extracellular polymeric substances (EPS) production
and apparently less cell attachment were observed on PVC and polished stainless steel
surfaces. Two different series of experiments were conducted where biofilms were
cultivated on the glass. Biofilm morphology was analysed under various conditions of
temperature and nutrient concentration. Different temperature conditions were 8°C,
22°C and 37°C and different nutrient concentrations were 0.1%, 1% and 10% Tryptic
Soy Broth (TSB). After obtaining samples after 1, 2, 3 and 4 days respectively, the
biofilm surfaces were visualised using atomic force microscopy (AFM) and
epifluorescence microscopy. Less cell attachment was displayed at lower
temperatures and nutrient limitations. The roughness profile of the early stages of
biofilm development was explored by the novel application of various existing
statistical methods. Benoit software was applied for the statistical analysis of various
data sets obtained from AFM imaging, using power spectrum, variogram and wavelet
methods to determine the Hurst exponent. The variogram method proved to be the
most suitable to describe biofilm surface profiles with consistent values of ± 0.9,
indicating that biofilm growth behaviour will continue in a similar pattern. Fractal
dimension values of images obtained from epifluorescence microscopy was
determined by the box dimension method. The values described the self-affine
patterns displayed by biofilms. Using the results of these investigations, a series of
models concerning the initial stages of biofilm formation was compared to describe
the development of colony patterns. This study showed that the AFM and
epifluorescence microscopy can be used as analytical tools for raw data assembly. It
also demonstrated a novel application of existing statistical methods in order to
describe the early stages of biofilm formation. Using this approach it was shown that
the early stages of biofilm formation display certain colony patterns that can be described and predicted. Such information may be used in efforts to control biofilm
formation.<br>AFRIKAANSE OPSOMMING: Komplekse biofilmgemeenskappe is reeds breedvoerig m die verlede bestudeer.
Minder werk is op vroeë stadiums van biofilmvorming gedoen. Hierdie studie het
gepoog om die aanvanklike koloniseringspatrone van biofilmvorming op verskillende
substrate en onder verskillende omgewingstoestande kwantitatief te bepaal met nuwe
metodes om die oppervlakprofiele van biofilms te beskryf. Biofilms is gekweek op
glas, polivinielchloried (PVC) en gepoleerde vlekvrye staal. Resultate van
mikroskopie, gevolg deur wiskundige analise en kontakhoek-metings het getoon dat
glas die mees geskikte substraat vir hierdie studie is. Die produksie van meer
ektrasellulêre polimeriese substanse (EPS) en oënskynlik minder selaanhegting is
waargeneem op PVC en gepoleerde vlekvrye staaloppervlaktes. Twee verskillende
reekse eksperimente IS uitgevoer waar biofilms op glas gekweek IS.
Biofilm-morfologie is geanaliseer onder verskillende toestande van temperatuur en
nutriënt-konsentrasie. Verskillende temperatuur-toestande was goC, 22°C en 37°C en
verskillende nutriënt-konsentrasies was 0.1%, 1% en 10% Tryptic Soy Broth (TSB).
Nadat monsters onderskeidelik na 1, 2, 3 en 4 dae verkry is, is die biofilm
oppervlaktes gevisualiseer deur atoomkrag mikroskopie (AFM) en epi-fluoressensie
mikroskopie. Minder selaanhegting is waargeneem by laer temperature en
nutriënt-beperkinge. Die grofheidsprofiele van die vroeë stadium van
biofilm-ontwikkeling is ondersoek deur die nuwe toepassing van verskeie bestaande
statistiese metodes. Benoit-sagteware is gebruik om die statistiese analise van verskeie
data-stelle van AFM beelde te ondersoek deur power spectrum, variogram en wave/et
-metodes te gebruik om die Hurst-eksponent te bepaal. Die variogram metode het
voorgekom as die mees geskikte om biofilm oppervlakprofiele te beskryf met
konstante waardes van ± 0.9, wat aandui dat biofilm groei sal aanhou in 'n
soortgelyke patroon. Fraktale dimensie-waardes van beelde wat met epi-fluoressensie
mikroskopie verkry is bepaal deur toepassing van Benoit-sagteware se box dimension
metode. Die waardes beskryf die selfherhalende patrone wat deur biofilms
gedemonstreer word. Deur die resultate van hierdie ondersoeke te gebruik, is 'n reeks
modelle aangaande die aanvanklike stadiums van biofilmvorming vergelyk om die
ontwikkeling van koloniepatrone te beskryf. Hierdie studie het getoon dat die AFM en
epi-fluoressensie mikroskopie gebruik kan word as analitiese gereedskap vir rou
data-versameling. 'n Nuwe toepassing van bestaande statistiese metodes om die vroeë stadiums van biofilmvorming te beskryf, is ook gedemonstreer. Deur hierdie
benadering te gebruik, is getoon dat die vroeë stadiums van biofilmvorming sekere
koloniepatrone aandui wat beskryf en voorspel kan word. Sulke inligting kan gebruik
word in pogings om biofilmvorming te beheer.
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Lyons, Lauralee. "Characteristics of 4-H Participants and Their Psychosocial Development." DigitalCommons@USU, 2013. https://digitalcommons.usu.edu/etd/1767.
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Volunteerism is an important component in the 4-H program. It was initially used as a method to help agents reach the many youth interested in participating in 4-H. Community service has since become a required component for every club project. Research shows that volunteering can impact youth in many different ways. Other research shows that 4-H youth are more likely to contribute or do some type of community service. The present study uses the Modified Extended Version of the Object Measure of Ego Identity Status (EOMEIS), the Cognitive Autonomy and Self-Evaluation (CASE) inventory, and an instrument specifically designed to study 4-H involvement and volunteerism to look at Utah 4-H. In order to more fully understand how volunteering in 4-H impacts youth, this study focused on adolescents (age 14-25) who have participated in the Utah 4-H program. The study had two main goals: (1) to discover the demographic characteristics of 4-H volunteers during middle and late adolescence, and (2) to focus on 4-H volunteering and its relationship to autonomy and identity achievement. This could be then be used to determine future programming changes to the Utah 4-H program. The results of this study indicated that 4-H adolescents were most likely to be from rural communities and 16 and 17 years old if still in high school or 23 to 25 years old if they had graduated from high school. Academic grades for high school participants did not seem to make a difference in if they volunteered or not. Those members who were involved for longer periods of time or those that considered 4-H a significant part of their life were more likely to continue to volunteer. Individuals who participated in events held on the national and county level were most likely to continue volunteering, but less likely to volunteer if they participated on the state level. Identity status and cognitive autonomy were not significantly related to volunteerism. However, trends did show that they could possibly be impacted in some way. A larger sample could play a role in determining if it were just a trend or if there was a significant relationship. It may also help to study 4-H participants versus non 4-H participants or 4-H volunteers versus non 4-H volunteers to determine if the 4-H program has an impact on identity status and cognitive autonomy.
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Morrill, Torrey B. "Cell Phone Use and Psychosocial Development Among Emerging Adults." DigitalCommons@USU, 2009. https://digitalcommons.usu.edu/etd/748.
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The cell phone has rapidly become an integral, and, for some, an essential communication tool that is being used worldwide. With cell phone ownership becoming so widespread, especially among the younger generation, society is starting to see and question the impacts of cell phone use on adolescent development. Relations between cell phone possession, cell phone use, and psychosocial and identity development were investigated using Erikson's Psychosocial Theory and Marcia's Adolescent Identity Paradigm. A sample of 705 college students, ages 18-24, completed a questionnaire that measured the amount and type of cell phone use, identity development (Extended Objective Measure of Ego Identity Status: EOMEIS), psychosocial maturity (Erikson Psychosocial Stage Inventory: EPSI), friendship attitudes, and school achievement. Nearly all (99.3%) of the participants in this study owned a cell phone, and most (85%) reported that they had obtained their cell phones between the ages of 14 and 18 (about the same time that most adolescents begin to enjoy greater mobility via older friends who are eligible to drive, or by way of gaining their own driver's license). Psychosocial maturity (EPSI) was related to age of cell phone procurement and duration of cell phone use; measures of trust, autonomy, initiative, and industry explained 5 to 7% of the variability in age of procurement and duration of use. Eta coefficients indicated that these relationships were nonlinear and in every instance, age of procurement and duration of use were more highly related to maturity than vice versa. These relations were strongest for male (13 to 17% shared variability with duration of cell phone use) and older participants (21-24 year olds; 12 to 18% shared variability with duration of cell phone use). Identity development was related to number of text messages; moratorium and diffusion scores were positively correlated with number of text messages, whereas the correlation between foreclosure and text messaging was negative. Ninety percent of the foreclosed participants reported texting less than 5,000 times per month compared to 70% or fewer of the achieved, moratorium, and diffused participants. Motivations for texting were examined across the identity measures. The achieved scale correlated most strongly with thoughtfulness, indicating achieved participants most often texted to share thoughts and feelings with others. Participants scoring high on the moratorium scale most often used texting as a means to escape and to meet others, while those with high foreclosure scores indicated that texting was important for appearances and to meet others. High diffusion scores corresponded with texting as a means to enhance appearance and to meet others. These relationships echo characteristics that have been found and reported in the identity literature.
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Lee, Chien-Ti. "Taiwanese Adolescent Psychosocial Development in Urban and Rural Areas." DigitalCommons@USU, 2010. https://digitalcommons.usu.edu/etd/613.
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The purpose of this study was to investigate Taiwanese adolescent psychosocial development (i.e., autonomy and identity development) based on psychosocial theoretical models developed in western societies. Data were collected from both public senior high and vocational high schools in both urban and rural areas in Taiwan. Adolescent participants, with an average age of 17 years old, included 447 (about 54% were females) from urban areas, and 702 (62% were females) from rural areas. The results of this study revealed that Taiwanese adolescents from both urban and rural areas were similar to adolescent developmental ranges suggested in western theories. There were a few variations revealed in this study, such as scores of internal consistency, average scores of each scale, associations among indicators, and the numbers of youth classified of certain developmental status. In general, the relationships between factors and adolescent psychosocial developmental outcomes did not moderate by regional differences. Identity development of Taiwanese youth from both areas was more likely to be predicted by both situational (e.g., family income and school type) and agential factors (e.g., collectivism, parent attachment, and resiliency) than Taiwanese adolescent cognitive, emotional, and behavioral autonomy. Higher family income level and greater resiliency scores were positively associated with high autonomy and/or achieved identity status. Strong beliefs in collectivism and secure attachments with parents did not significantly correlate with autonomy but did correlate with foreclosure identity status. Across the analysis models in this study, resiliency was the strongest factor which was associated with high autonomous status and identity achievement. Implications and further recommendations for research and practical uses were further discussed.
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Yaris, Cat. "Development of a comprehensive approach to physical and psychosocial safety: The physical and psychosocial workplace safety model." Thesis, Yaris, Cat (2021) Development of a comprehensive approach to physical and psychosocial safety: The physical and psychosocial workplace safety model. PhD thesis, Murdoch University, 2021. https://researchrepository.murdoch.edu.au/id/eprint/64040/.
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Since the 1860s, workplace accidents have consistently been identified and documented. There are numerous theories, approaches, and methodologies to improving workplace safety. Although there has been consistent growth and improvement in the field, there are still numerous accidents, injuries, fatalities, and near misses every year across numerous industries. Researchers have focused on developing approaches and models to explain, and potentially prevent, negative safety outcomes. Each of these approaches has limitations. One limitation is the distinct separation of physical and psychosocial safety in the literature. Several studies and researchers have tried to merge the research paths, although this has been met with varying evidence of efficacy. Each of the papers presented in this thesis move towards the development of a model that encompasses both physical and psychosocial safety climate to create a comprehensive approach to workplace safety. Each paper builds upon the previous chapter to explain the theoretical foundation, the measurement model, and the structural model of physical and psychosocial safety. In sum, the studies are designed to develop a clear, and more comprehensive, approach to workplace safety.
The first paper is a literature review detailing the current research on physical and psychosocial safety climate. The intent of this review was to outline the history and evolution of research on both aspects of safety climate separately and the movement made to address them jointly. The review focused on why the integration is needed both for academics and practitioners.
The second paper introduces the new Physical and Psychosocial Workplace Safety (PPWS) model. This provided the theoretical foundation to address the separation between physical and psychosocial safety climate. The PPWS model is an extension of leading theoretical models such as the model of safety performance (Neal & Griffin, 1997) and job-demands resources (JD-R) model of workplace safety (Nahrgang et al., 2011). This paper specifically provided clear definitions and distinctions between variable conceptualization, expanding the leading theoretical models, integrating physical and psychosocial safety, providing a generalizable approach across industries, and considering self-regulatory processes as mediators of safety behaviors. Self-regulatory processes were introduced as safety factors and help understand employee behavior. Safety behaviors were the dependent variable of interest for this model. Specifically, physical and psychosocial safety participation and safety compliance. Therefore, self-regulatory processes were introduced as mediators to explain the relationships between job demands and resources with safety behaviors. This paper laid the foundation to test the measurement model and provide preliminary validation evidence to support researchers in the safety space and help industries understand antecedents of safety behaviors.
The third paper describes the assessment of the factor structure of job demands, job resources, safety factors, and safety behaviors through a series of exploratory and confirmatory factor analyses. Participants (n = 941) were sampled from high-risk physical or psychological occupations, such as fire fighter, police, and healthcare, to participate in a survey. The exploratory factor analyses identified the factor structure of each construct and subsequent the confirmatory factor analyses refined each. This laid the foundation to test the structural model in the fourth paper.
The fourth paper focused on validating the PPWS model with a repeated measures design. The final structure identified from the third paper was tested with structural equation modeling. For Study 1 (n = 941), there were 19 models before finding adequate model fit, x2 (60, n = 941) = 526.53, p < .001, SRMR = .07, TLI = .80, CFI = .89, RMSEA = .09 [.08, .10]. The odel served as the baseline model for Study 2. Study 2 (n = 456) tested five models before confirming adequate model fit, x2 (85, n = 456) = 162.36, p < .001, SRMR = .08, TLI = .79, CFI = .85, RMSEA = .10 [.09, .11]. RMSEA = .09 [.08, .10]. Model adjustments were made through modification indices, as aligned to theory. Both studies failed to reach good model fit. The individual factor loading patterns found more support in Study 2 than Study 1. In conclusion, there was some support for the model, but major reconsiderations are required for future research and applied utility.
The fifth paper discussed the implications of the previous chapters and suggested paths for future research to further develop the area of psychosocial and physical safety factor modeling. The chapter detailed the research, finding, limitations, and future directions for the PPWS model for the research and applied space. For research, additional sample sizes and populations are recommended. This research attempted to focus on a generalizable model and the variability in industry and occupation reduced the ability to derive specific insights. Taking a more targeted approach would support specific industries while providing practitioners clearer guidance. There are alternative measures of safety control, safety motivation, and employee engagement available in the research literature. This might lead to a more robust measure and ensure the correct construct is being assessed (e.g., employee engagement versus organizational commitment). Additionally, the PPWS model focused on a parsimonious approach. The PPWS model was streamlined throughout the validation process but still fell short of good model fit. Therefore, the model needs to be refined to support parsimony and achieve good fit. Additional next steps and considerations were suggested to continue the integration of physical and psychosocial safety climate research paths.
This thesis was designed to create a model, generalizable across industries, that integrated physical and psychosocial safety elements to understand safety behaviors. While the PPWS model fell short of global good model fit, individual components for the model found support. Additional studies and research are needed to deepen the understanding of the relationships between self-regulatory processes and safety behaviors and address the limitations found in this research. The theoretical foundation and organizational need exists for a comprehensive approach to workplace safety. The PPWS model is a foundation to fill that need and future research will refine and establish clear paths and support to improving safety behavior.
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Kolbaeva, K. (Kunduz). "Students’ motivation in group development stages during collaborative learning." Master's thesis, University of Oulu, 2017. http://urn.fi/URN:NBN:fi:oulu-201706022393.
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When students work in small groups, it is expected that they experience five stages of group development to perform well; forming, storming, norming, performing and adjourning. Yet, the duration of each stage namely, when particular stage starts and when it finishes was not investigated in the previous researches. Furthermore, all the stages have features that characterize them, most of the features describe emotional state of students, whereas motivational level of students is still not clear. So, taking into account of the previous research gaps, the aim of this thesis is to examine duration of group development stages, and how to characterize students’ motivation at the different stages of collaborative learning. The research involved 15 first-year teacher education students. Four small-groups (3–4 members in each) were engaged in collaborative learning tasks on math within six sessions. Except the tasks, they were assigned to discuss macro-level scripts: Orientation questions in the beginning, Checkup questions in the middle, and Reflection questions at the end of the each session. The data was collected by videotaping of students’ small-group work. For the data analysis of this thesis, the scripted phases were transcribed and coded based on the thematic categories.
The results show that almost all of the group developmental stages may last one or two collaborative sessions. There are quite a lot of overlaps between the stages, when they are mixed in one session. Another point is that, not all five stages may be present in the group development. As this study shows, adjourning stage was not included in the analysis since none of the groups did experience it.
According to the analysis, the groups’ motivational state vary from one stage to another. At the beginning of the course students are more motivated and at the end of the course students’ motivation is low. The thesis demonstrates which stage is specifically more beneficial for students’ high motivation. It can be concluded that the knowledge of groups’ development stages are useful for the teachers in designing the collaborative learning sessions. Taking into account the emotions and motivation that students are expected to have at the different stages, the teachers may enhance learning process.
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Meyer, Joseph. "Early Stages of Game Development Company for Physics Education." Case Western Reserve University School of Graduate Studies / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=case1496423532596752.
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Schwartz, Claire. "The Effects of Psychosocial Stress on the Development of Atherosclerosis." Thesis, University of Bristol, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.520206.
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Miller, Patricia Sharron. "Student-athletes' perceptions of psychosocial development through intercollegiate athletic participation." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/NQ53672.pdf.
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Hickman, Carrie J. L. "Weight Loss Surgery Maintenance and Psychosocial Development| A Narrative Perspective." Thesis, Walden University, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=3601345.
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<p> Bariatric surgery is not the panacea it was once thought to be for weight loss. Due to patient noncompliance issues, many weight loss surgery patients are relapsing and regaining the significant amounts of weight that bariatric surgery had initially helped them to lose. This failure is costly monetarily, psychologically, and medically to both the patient and to society. Using the narratives of 32 post-weight loss surgery patients, this narrative study explored: (a) whether Erikson's psychosocial stages of development occur after weight loss surgery, (b) whether successful patients (defined as those who are able to maintain their weight loss long term) have successfully navigated Erikson's stages, and (c) whether these patients formed new identities in the process. Recursive analysis and text analysis revealed noticeable trends toward developmental progress among participants after weight loss surgery, with regard to all stages in Erikson's psychosocial developmental theory. This trend suggests that participants are experiencing developmental changes after surgery and that participants who have successfully navigated psychosocial stages are at least beginning to build new identities. These findings may indicate the need for social changes in the way clinicians guide patients through the weight loss surgery process; these findings may also inspire the creation of programs that address developmental milestones, which may increase successes after weight loss surgery.</p>
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Beck, Harald Robertt. "Correlates between psychosocial development and coping resources in the elderly /." The Ohio State University, 1995. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487865929455271.
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Beck, Harald Robert. "Correlates between psychosocial development and coping resources in the elderly." Connect to resource, 1995. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1231170069.
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Shuttleworth, Ann. "Eating disorders and psychosocial development : an application of Eriksonian theory." Thesis, University of Sheffield, 1997. http://etheses.whiterose.ac.uk/15034/.
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This thesis investigates psychosocial development, with a particular emphasis on Identity formation, in women sufferers of eating disorders (Anorexia Nervosa &/or Bulimia Nervosa). It consists of three sections; Section 1 comprises a literature review. Literature on Identity formation is reviewed, with a particular emphasis on the work of Erik Erikson. Current understandings of eating disorders, including those looking at the socio-cultural context, are presented. Finally, issues pertaining to Identity and to eating disorders are brought together and a relationship is suggested in which Identity issues act as a mediating factor between current cultural conditions in Western society and the rising incidence of eating disorders. Section 2 comprises the research report. The study is described which was carried out to investigate the psychosocial development of women suffering from eating disorders. In particular issues ofIdentity development were addressed. Three control groups were included in the study - two involving women suffering from psychological distress and one comprising 'psychologically healthy' women. Levels of psychological distress were measured using the Brief Symptom Inventory (BSI) (Derogatis, 1982). Psychosocial development was investigated within an Eriksonian framework using the Hawley's (1988) Measures of Psychosocial Development self-report inventory (MPD). The results demonstrated that the Eating Disordered group showed significantly poorer outcome on the majority of the stages of psychosocial development, including greater Identity confusion and less successful resolution of the Identity 'crisis', according to participants' self-reports. The Eating Disordered group also reported experiencing greater psychological distress than all of the control groups. Section 3; comprises a critical appraisal of the research process. Information is included on background and practical issues related to carrying out the project as well as reflections regarding the process and personal impact of the work.
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Corson, Eliza-Jane. "Psychosocial factors implicated in the development of antisocial personality disorder." Thesis, University of Nottingham, 2017. http://eprints.nottingham.ac.uk/47584/.
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Evidence suggests that Antisocial Personality Disorder (ASPD) is highly prevalent amongst young males involved in the criminal justice system; however effective psychological treatment options for people with the disorder is limited. This thesis therefore explores psychosocial factors implicated in the development of the disorder, with the view to identify specific treatment targets for psychotherapeutic interventions. In the first instance, a systematic review and meta-analysis was conducted to examine the efficacy of Mentalization Based Therapy (MBT), a psycho-dynamically informed intervention. MBT was originally developed to treat people with Borderline Personality Disorder (BPD), yet to date no meta-analysis has evaluated the efficacy of MBT alone. Furthermore, emerging evidence suggests that MBT can be effective for people with ASPD, however at present, there are insufficient studies to examine the effectiveness of the approach with this population. Therefore, MBT was examined with the view to assess treatment outcomes for adolescents with emerging BPD and adults diagnosed with BPD. In accordance with the specific inclusion criteria, five primary articles were retained and analysed. In relation to the MBT group, there was a significant improvement in symptoms. Furthermore, effect sizes for other problems (anxiety, depression, suicidal attempts/self-harm) were found to be large to very large. When considering interpersonal functioning, interestingly, analysis revealed no effect favouring either the treatment or control group. Regarding impairment, a large and significant effect size was found in favour of the control group. Overall, adolescents derived greater benefit from the treatment when compared to adults. Limitations relate to the number of available studies in this review. In order to identify treatment targets for psychotherapeutic interventions, an empirical study explored the relationship between mentalizing capability, attachment style and schema as predictors of ASPD in 79 men recruited from a Young Offenders Institution (YOI). The results confirmed that anxious attachment style and specific Early Maladaptive Schema (EMS) domains relating to Disconnection & Rejection (mistrust-abuse); Impaired Autonomy & Performance (dependence), and Impaired Limits (entitlement) are associated with ASPD in young male offenders. Inferential analyses confirmed that intellectual functioning did not influence performance on any measures. Main limitations relate to the cross-sectional nature of the study and sample size. Following this theme, a single case study relating to the assessment and treatment of a young male with ASPD and comorbid diagnoses was undertaken using a firesetting offence focused treatment programme. Formulation, treatment progress and outcomes are discussed; and recommendations for further work are provided. Thereafter, a critical appraisal of the Revised Adult Attachment Scale (RAAS; Collins, 1996), a measure utilised in the empirical study was conducted. Consideration is given to the utility of the RAAS, particularly within forensic populations. The RAAS was found to be a reliable and valid measure for use with undergraduate, general, and clinical populations. Further research relating to the application within forensic populations is needed to test the reliability and validity of the tool with offenders. Finally, the thesis discusses limitations of the methodologies used and highlights how the overall aim of this thesis was achieved.
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Hickman, Carrie J. L. "Weight Loss Surgery Maintenance and Psychosocial Development: A Narrative Perspective." ScholarWorks, 2013. https://scholarworks.waldenu.edu/dissertations/1091.
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Bariatric surgery is not the panacea it was once thought to be for weight loss. Due to patient noncompliance issues, many weight loss surgery patients are relapsing and regaining the significant amounts of weight that bariatric surgery had initially helped them to lose. This failure is costly monetarily, psychologically, and medically to both the patient and to society. Using the narratives of 32 post-weight loss surgery patients, this narrative study explored: (a) whether Erikson's psychosocial stages of development occur after weight loss surgery, (b) whether successful patients (defined as those who are able to maintain their weight loss long term) have successfully navigated Erikson's stages, and (c) whether these patients formed new identities in the process. Recursive analysis and text analysis revealed noticeable trends toward developmental progress among participants after weight loss surgery, with regard to all stages in Erikson's psychosocial developmental theory. This trend suggests that participants are experiencing developmental changes after surgery and that participants who have successfully navigated psychosocial stages are at least beginning to build new identities. These findings may indicate the need for social changes in the way clinicians guide patients through the weight loss surgery process; these findings may also inspire the creation of programs that address developmental milestones, which may increase successes after weight loss surgery.
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King, Gabriella Louise. "Palestinian nationalism from 1917 to 1989 : four stages of development." Thesis, University of British Columbia, 1989. http://hdl.handle.net/2429/28250.
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This thesis examines the development of Palestinian nationalism in the twentieth century by dividing it into four periods. In each of these four periods anti-colonial nationalism and Arab nationalism are applied to the Palestinian case. Special attention is paid to the Palestinian vision of Zionism, the role of the Arab states in Palestinian politics, the vision of a future Palestinian state and how it was to be achieved.
In the early twentieth century, Palestinian national feelings were stirred as opposition was organized against Zionist immigration and British rule. Both the Zionists and the British were considered to be motivated by colonial aims in the stirring phase. The second period in the development of Palestinian nationalism, which was clearly a pan-Arab period, took shape soon after the establishment of the state of Israel in 1948 at which time the success of pan-Arabism was believed to be the best way to achieve an independent Palestinian state.
The third phase in the evolution of Palestinian nationalism, which is dealt with in chapter two, is marked by the defeat of the Arab states in the June war of 1967, at which time pan-Arabism lost much of its appeal. This defeat marked the rise of a new Palestine Liberation Organization and although there were a variety of groups and ideologies within the organization, it is possible to make some generalizations about Palestinian nationalism in this period. The PLO attempted to reduce the role of the Arab states in Palestinian affairs, they expressed Marxist ideas and a militant line, and the organization continued to see Israel as a colonial settlement that was to be eliminated.
Finally, this thesis characterises the fourth period in the evolution of Palestinian nationalism as a gradual process of change that occurred throughout the 1970s and 1980s. It involved an eventual acceptance of Israel and a partition of Palestine, thus rejecting the anti-colonial ideas that had been at the centre of the movement since the stirring phase. This thesis concludes by suggesting that these changes are likely to make it difficult for the PLO to maintain its fragile unity.<br>Arts, Faculty of<br>Political Science, Department of<br>Graduate
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Spielman, Jade B. "The effects of parental loss throughout adolescent stages of development." Manhattan, Kan. : Kansas State University, 2007. http://hdl.handle.net/2097/467.
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Levy, Zeeva. "Estimating the effort in the early stages of software development." Thesis, London School of Economics and Political Science (University of London), 1990. http://etheses.lse.ac.uk/2088/.
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Estimates of the costs involved in the development of a software product and the likely risk are two of the main components associated with the evaluation of software projects and their approval for development. They are essential before the development starts, since the investment early in software development determines the overall cost of the system. When making these estimates, however, the unknown obscures the known and high uncertainty is embedded in the process. This is the essence of the estimator's dilemma and the concerns of this thesis. This thesis offers an Effort Estimation Model (EEM), a support system to assist the process of project evaluation early in the development, when the project is about to start. The estimates are based on preliminary data and on the judgement of the estimators. They are developed for the early stages of software building in which the requirements are defined and the gross design of the software product is specified. From these estimates only coarse estimates of the total development effort are feasible. These coarse estimates are updated when uncertainty is reduced. The basic element common to all frameworks for software building is the activity. Thus the EEM uses a knowledge-base which includes decomposition of the software development process into the activity level. Components which contribute to the effort associated with the activities implemented early in the development process are identified. They are the size metrics used by the EEM. The data incorporated in the knowledge-base for each activity, and the rules for the assessment of the complexity and risk perceived in the development, allow the estimation process to take place. They form the infrastructure for a 'process model' for effort estimating. The process of estimating the effort and of developing the software are linked. Assumptions taken throughout the process are recorded and assist in understanding deviations between estimates and actual effort and enable the incorporation of a feedback mechanism into the process of software development. These estimates support the decision process associated with the overall management of software development, they facilitate management involvement and are thus considered as critical success factors for the management of software projects.
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Kuzema, P. O., M. Ya Dovzhyk, and O. S. Kuzema. "Main Stages of Development and Recent Advances of Mass Spectrometry." Thesis, Sumy State University, 2015. http://essuir.sumdu.edu.ua/handle/123456789/42625.
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It has been presented the review and analysis of the main evolution stages of one of the most efficient methods for investigation of composition and properties of substances – mass spectrometry. The advantages and application area of the method were described, as well as physical and technical peculiarities of the devices for its realization were considered.
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Ethington, Kalene Mears. "Developmental Stages Associated with Organizational Learning: An Instrument Development Study." BYU ScholarsArchive, 2019. https://scholarsarchive.byu.edu/etd/8287.
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Background: Previous research has identified four distinct developmental stages associated with organizational learning in high-performing hospital units: identity and ownership, team and respect, accountability and support, and reliability and sustainability. We designed a research instrument to measure these constructs. The purpose of this thesis was to establish the content and predictive validity of this instrument.Methods: The Organizational Learning Development Instrument (OLDI) consists of a total of 35 items in Likert-scale format. Item-level and instrument-level content validity were assessed using three cycles of cognitive interviewing with 28 nurses, and eight expert ratings. The OLDI was administered to nurses in Magnet® hospitals via a web-based survey. National Database of Nursing Quality Indicators (NDNQI) and Hospital Consumer Assessment of Healthcare Providers and Systems (HCAHPS) reports were used for comparison of hospital performance. Predictive validity was tested using multiple linear regression. Based on a power analysis for multiple linear regression, reaching 80% power, with a medium effect size of 0.15, an alpha of 0.05, and five predictor variables, the target sample size was 92 hospital units.Results: Results from 63 inpatient units in 11 Magnet® hospitals were used. The scale- level content validity for this instrument was 0.95 and item-level content validity index scores ranged from 0.86 to 1.0, suggesting excellent content validity. No significant relationships were found between OLDI results and NDNQI measures. Significant correlations (P<.05) were found between several OLDI constructs and HCAHPS composites.Discussion: Correlations with HCAHPS scores help validate the OLDI, as well as the theory underlying the instrument. The OLDI may not have predicted NDNQI measures due to a lack of instrument sensitivity or because NDNQI results are strongly influenced by other factors. Nurse managers can use the OLDI to predict unit performance related to patient satisfaction and to determine actions that may improve unit performance. Replicating this study with a larger sample size and more diverse hospital performance and more uniform unit type could further validate this instrument.
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Yogasara, Thedy. "Anticipated user experience in the early stages of product development." Thesis, Queensland University of Technology, 2014. https://eprints.qut.edu.au/66240/2/Thedy_Yogasara_Thesis.pdf.
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This research investigates users' anticipation of their future experiences with interactive products to support design for experience in the early stages of product development. This research generates new knowledge of anticipated user experience (AUX), which reveals users' tendency to perceive the pragmatic quality of products as the main determinant of their positive future experiences. The AUX Framework has been an important outcome of this study. The exploration of the components of this framework allows a better prediction and understanding of users' underlying needs and potential usage contexts valuable for the early design phases.
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Steinfelt, Victoria. "Ages and Stages: 4 to 8 Year Olds." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 1998. http://hdl.handle.net/10150/156943.
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3 pp.<br>To understand children, their development, needs and uniqueness is vital for parents. This publication uses tables to outline the mental, social and physical development for each group of children from 4 to 8 year old.
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Widoe, Rebecca K. "Applying stages of change theory to an acute pain situation development of the Childbirth Stages of Change Questionnaire (CSOCQ) /." Morgantown, W. Va. : [West Virginia University Libraries], 2006. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=4910.
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Thesis (M.S.)--West Virginia University, 2006.<br>Title from document title page. Document formatted into pages; contains v, 157 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 76-88).
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Chance, Charles Allen. "Dependence of craniofacial growth on stages of cervical vertebral maturation and stages of mandibular canine mineralization." View the abstract Download the full-text PDF version, 2006. http://etd.utmem.edu/ABSTRACTS/2006-005-chance-index.htm.
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Thesis (M.S.)--University of Tennessee Health Science Center, 2006.<br>Title from title page screen (viewed on October 8, 2007 ). Research advisor: Edward Harris, Ph.D. Document formatted into pages (xiii, 156 p. : ill.) Vita. Abstract. Includes bibliographical references (p. 137-147).
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Cambron, Liz Doralyn. "Factors Affecting Metabolism During Non-Feeding Stages in Insects." Diss., North Dakota State University, 2020. https://hdl.handle.net/10365/31868.
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Although feeding is important for optimal development and growth in insects, there are several points during the insect life cycle that are non-feeding: metamorphosis, pupation, and overwintering. Non-feeding periods also occur in response to internal cues, such as feedback from nutrient thresholds and immune responses being activated. Additionally, as an insect goes through different developmental stages, its nutritional requirements change in response to or in preparation for non-feeding periods. Most physiological responses like feeding are regulated through an interconnection of pathways, but how these networks change in response to different energy demands, such as immune challenges or changes in metabolism, is poorly understood. One significant pathway that is involved in regulating several physiological processes is the insulin signaling pathway. In my dissertation research, I tested hypotheses explaining the regulation of physiological processes during non-feeding periods in two agriculturally relevant insects, Manduca sexta and Megachile rotundata. First, I investigated how internal cues such as dietary lipid content and immune challenges cause non-feeding periods in M. sexta. Then, I investigated how insulin signaling regulates development during a non-feeding period like overwintering changes in M. rotundata. Since the insulin signaling (IIS) pathway is critical for development and growth, I focused on testing if this pathway plays a role in regulating non-feeding periods. My research showed that increased dietary lipid content causes a cessation of feeding, which suggests there is a possible lipid threshold that when reached, causes M. sexta to switch from lipid consumption for storage to lipid excretion. When looking at another cue like immune challenges, my results showed that during a bacterial infection, a Toll-mediated suppression of IIS pathway may be regulating feeding and causing a non-feeding period exhibited as sickness-induced anorexia. Lastly, my results also showed that the IIS pathway is suppressed in overwintering M. rotundata, and that this process can change in response to temperature. Overall, my dissertation research showed that the insulin signaling pathway and nutrient content play a vital role in regulating non-feeding periods. Investigating insulin signaling, lipid metabolism, and innate immunity in these species closes a gap in knowledge of invertebrate development.
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Thrower, Sam N. "The development of a psychosocial parent education programme for British Tennis." Thesis, Loughborough University, 2016. https://dspace.lboro.ac.uk/2134/23012.
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Although there currently exists an in-depth empirical understanding of parents experiences and involvement in youth sport, there is an absence of published field-based intervention research specifically with sport parents (Harwood & Knight, 2015). In order to address this gap in the literature, this thesis developed a psychosocial parent education programme for British Tennis. The first study identified the education and support needs of tennis parents operating within British high performance centres (study one). Adopting a grounded theory design, data were collected through informal chats, observations, and formal interviews with parents, coaches, and ex-youth players (n=29) during a six-month period of fieldwork. Findings revealed how parents education and support needs occur across multiple levels of functioning (i.e., social, organisational, developmental, and intra-interpersonal) and are influenced by the developmental stage that parents operate in. This theoretical framework was then used as the basis for a group-based tennis parent education programme (study two). Using a qualitative organisational action research framework seven workshops were run over a 12-week period for parents with children between the ages of 5 and 10 years. Participant diaries, social validation feedback forms, and post programme focus groups (n=19) revealed perceived improvements in parents knowledge, affect, and skills across a range of learning objectives. In an attempt to improve accessibility and extend participation, the final study utilised a convergent parallel mixed methods design to examine the effectiveness of an online education programme for British tennis parents (n=38) and their perceptions of engaging in the programme (study three). Quantitative findings revealed positive directional changes in tennis parent efficacy, general parent efficacy, emotional experiences, and achievement goal orientations after completing the programme. Qualitative data provided complementary and unique insights into what worked, how, and why. Taken together, the studies within this thesis are the first to demonstrate the effectiveness of face-to-face and online sport parent education programmes. Findings also extend and advance existing recommendations and guidelines in relation to the design, development, implementation, and evaluation of education programmes for sport parents. In particular, studies illustrate the importance and value of providing sport parents with accessible, proactive, structured, and developmentally appropriate education and support which addresses their stage-specific needs.
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Moran, Patricia. "The development of a questionnaire to measure psychosocial vulnerability to depression." Thesis, Royal Holloway, University of London, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.302136.
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Peña, López Ismael. "Measuring digital development for policy-making: Models, stages, characteristics and causes." Doctoral thesis, Universitat Oberta de Catalunya, 2009. http://hdl.handle.net/10803/9126.
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With this work, our aim is to analyze how and why the different approaches to model and measure the Information Society have determined what is meant by the concept of access to Information and Communication Technologies and digital development. And, based on this first analysis, work on and propose a 360º digital framework that can serve policy-making while, at the same time, be able to state whether and why governments should seek to foster the development of the Information Society.<br/>Thus, the goal of this research is to identify the relevant factors that promote digital development, to define and describe - on that basis - its different stages and to explain the causes why a particular country might therefore be classified as a digital leader or a laggard and, lastly, answer whether and why governments should foster the Information Society.<br/>To address this goal we have split our research into three main areas:<br/ Clarification of concepts and their importance;<br/>Analyzing the available tools for measuring the digital economy; and<br/>Defining the stages of digital development, their characteristics and their causes; in particular, isolating the role of the public sector.<br/><br/>In the first area of research we cover the impact of ICTs, the concepts of access and the digital divide and the need to foster digital development. Our research questions in this area are:<br/>What is "access"? What are its components?<br/>What are the main approaches to defining access and why?<br/>Is there any evidence that access to ICTs has had a positive or negative impact on the general socio-economic development of a country?<br/>Why may there be a lack of access in a particular country or region, or to use a more familiar term, a "digital divide"?<br/>Is it worthwhile for governments to attempt to foster digital development to accelerate the positive impacts of access to ICTs?<br/><br/>The second research theme explores, broadly and in depth, the ways in which access, digital development and the digital divide have been measured over the years, in particular through the use of composite indices. The related research questions are as follows:<br/>What are the main models that depict digital development?<br/> What are the approaches that these models follow to describe digital development?<br/> What are the consequences of the different approaches followed in defining digital development models?<br/><br/>The third and final research theme focuses on the different stages, or phases, of digital development, their main characteristics and the reasons why digital development at the country level might be unevenly distributed.<br/> Can we group countries according to their different levels of digital development and thus define a comprehensive model for measuring it?<br/>What are the characteristics that enable us to cluster together countries according to their specific level of digital development?<br/>What are the characteristics that distinguish between different levels of digital development?<br/> Why some countries are more digitally developed than others?<br/><br/>The findings and reflections arising from these research questions should enable us to test the general hypothesis that guides our research. We believe that narrow institutional interests and a lack of appropriate data have led to a biased or fragmented measurement of digital development that is often focused on specific purposes. But if digital development is conceived as a continuum and described by means of a comprehensive model, then, at the country level, it can be observed that digital development happens in stages. These stages can be characterized by common features and distinguished by the scores achieved on certain key indicators. The improvement of its general economic indicators - such as income and wealth - characterizes the progression of a country along this continuum depends mainly on. Besides these basic economic aspects, if there is an appropriate Economic Incentive Regime, strong Government prioritization of ICT and a high importance afforded to ICTs in the Government's vision of the future, then digital development is much more likely to happen. In some cases, these policies may allow leapfrogging so that a country can progress faster in its digital development than would be predicted by its general level of economic development.
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Majcher, Jo-Ann Marie. "Assessing the stages of group development using children's serial group drawings." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/28743.
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The research problem that was examined in this study was two-fold. First, was the idea that the stages of group development could be depicted in serial group drawings completed by children who had participated in structured learning groups. Second, was that by using a rating scale that was designed for this purpose, trained objective raters could classify the stages of group development from the serial drawings completed by the children.
Fifteen sets of drawings were gathered from fifteen children who had participated in different structured learning groups. These drawings were then analyzed and classified by raters who had been trained to use the rating scale. The rating scale was devised to identify the stages of group development within children's serial drawings.
Qualitative data analysis showed that the stages of group development were depicted in some of the sets of serial group drawings. Quantitative data analysis showed that raters were able to use, with limited success, the rating scale designed to classify the drawings into the stages of group development.
Many extraneous variables effected the results. These include: the unique characteristics of each child, the leadership style of each counsellor, the varying group topics, the adequacy of the rater training procedure, the objectivity of the raters, and the accuracy of the rating scale.
Due to the many extraneous variables, it is clear that methodologically this study leaves many questions unanswered. Further research is necessary to more fully investigate the idea that the stages of group development can be identified within serial group drawings completed by children who have participated in structured learning groups., If further research proves that the stages of group development can be depicted and measured using a rating scale, it will provide group counsellors with a useful tool when evaluating group development.<br>Education, Faculty of<br>Educational and Counselling Psychology, and Special Education (ECPS), Department of<br>Graduate
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Janhager, Jenny. "User Consideration in Early Stages of Product Development : Theories and Methods." Doctoral thesis, Stockholm : Department of Machine Design, Royal Institute of Technology [Institutionen för maskinkonstruktion, Kungl. Tekniska högskolan], 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-174.
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Backlund, Daniel. "Product cost analysis in early stages of a product development process." Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-18984.
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På en global marknad med allt tightare vinstmarginaler har fokus på produktkostnad ökat. I produktutvecklingsprocessen har ett allt större behov av förbättrade arbetssätt kring produktkostnadskalkylering uppstått för att företag skall vara konkurrenskraftiga. Produktkostnad är en väsentlig del av ett företags kostnadsmassa. Under en produktutvecklingsprocess tidiga skeden saknas ofta etablerade metoder och processer för beräkning av produktens kostnad. Speciellt svårt är det att uppskatta produktkostnad i tidiga faser av produktutvecklingsprocessen då osäkerheten kring konstruktionen är stor. Detta kan få till följd att till exempel avsaknad av vetskap kring materialkostnad eller investeringsbehov uppstår. Målet med denna uppsats är att hjälpa, utvärdera och supportera kring förbättringar av arbetssätt inom produktutvecklingsprojekten när det kommer till produktkostnadskalkylering. Syftet med detta examensarbete är att skapa en passande finansiell modell som kan användas vid val av koncept i tidiga stadier av produktutvecklingsprocessen för att säkerställa högsta möjliga lönsamhet för Volvo Construction Equipment. För att lösa detta problem så har insamling av teori i form av böcker, artiklar samt rapporter genomförts med fokus på produktutveckling och produktkostnad. Teoristudien påvisade mycket material kring produktutvecklingsprocessen men mindre kring detaljerad produktkostnadskalkylering. Den empiriska delen har genomförts i samarbete med Volvo Construction Equipment med syfte att få ökad förståelse för problemställningar i dess verkliga miljö. Från intervjuer, dokumentation samt övrig insamling så påvisades att förbättringspotential fanns kring produktkostnadskalkylering i tidiga faser av produktutvecklingsprojekt. För ytterligare ökad förståelse genomfördes en strukturerad jämförelse samt en diskussion kring respektive område av teori och empiri. Resultatet av jämförelsen visar att Volvo Construction Equipments hantering av problem korrelerar med den teori som existerar i uppsatsen. I de situationer där Volvo avviker från teorin så finns orsaker till att företaget inte väljer att följa denna. För att förbättra processen kring produktutveckling och produktkostnadskalkylering på Volvo Construction Equipment skapades en kalkylmodell. Modellen applicerades konkret i ett pågående produktutvecklingsprojekt i företaget och gav möjlighet till uppföljning av utvecklingen av produktkostnaden under de olika faserna av projektet.<br>On a global market with tighter gross margins the focus on product cost have increased. A demand for improved methods within product cost calculations in the product development process is important to sustain competitive. Product cost is a vital part of a company’s cost base. During a product development process early stage there is often a lack of established methods and processes for calculation of the product cost. Especially difficult is it to estimate product cost in early stages of the product development process when the uncertainty around the construction of the product is big. That might lead to lack of knowledge around material cost and need of investments occur. The goal with this thesis is to help, evaluate and support around improvements within the product development projects when it comes to product cost calculation. The purpose of this thesis is to create a suitable financial model that is applicable when choosing concept in early stages of the product development process to sustain highest possible profitability for Volvo Construction Equipment. To solve this problem a collection of theory in form of books, articles and reports has been made with focus on product development and product cost. The theory part showed a lot of material around the product development process but less data around detailed product cost calculation. The empirical part has been created in cooperation with Volvo Construction Equipment with purpose to increase knowledge for problems in its natural environment. From interviews, documentations and other collection has shown that improvement potential was found for product cost calculations in early stages of product development project. For further increased understanding a structured comparison and a discussion around each area of theory and empirical data was created. The result of the comparison shows that Volvo Construction Equipment’s handling of problems correlates with the theory that exists in the thesis. To improve the process with product development and product cost calculation at Volvo Construction Equipment a calculation model was created. The model was applied in a real product development project in the company and gave opportunity for estimations of the development of the product cost during the different stages of the project.
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Tsai, Sujune. "Development of cryopreservation techniques for early stages zebrafish (Danio rerio) oocytes." Thesis, University of Bedfordshire, 2009. http://hdl.handle.net/10547/134960.
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Cryopreservation of germplasm of aquatic species offers many benefits to the fields of aquaculture, conservation and biomedicine. Although successful fish sperm cryopreservation has been achieved with many species, there has been no report of successful cryopreservation of fish embryos and late stage oocytes which are large, chilling sensitive and have low membrane permeability. In the present study, the sensitivity to chilling and toxicity of cryoprotectants of early stage zebrafish ovarian follicles were studied before designing protocols for their cryopreservation using controlled slow cooling. The effect of cryoprotectant, freezing medium, cooling rate, method for cryoprotectant removal, post-thaw incubation time and ovarian follicle developmental stage were investigated. In vitro culture method for early stage zebrafish ovarian follicles were also developed. The studies showed that stage I and II ovarian follicles are less sensitive to chilling than stage III follicles and methanol was the least toxic cryoprotectant. 4M methanol in potassium chloride (KCl) buffer was found to be the optimal cryoprotective solution and the optimum cooling rate was 4 °C/min for stage I and II follicles. Although the highest survivals after 2 h post-thawed incubation were 50.7 ± 4.0% for stage II ovarian follicles obtained with FDA+PI staining, ADP/ATP ratios of the cryopreserved follicles were significantly increased indicating increased cell death. Furthermore, in vitro culture experiments showed that there was no growth for stage I and II ovarian follicles after cryopreservation, indicating that successful cryopreservation of early stage zebrafish ovarian follicles at liquid nitrogen still remains elusive. From in vitro culture study, 90% L-15 medium at pH 9.0 containing 10 IU/ml hCG was effective for in vitro culture of stage I and II ovarian follicles. Systematic study on cryopreservation of early stage fish ovarian follicles at liquid nitrogen temperature is reported ii here for the first time. The results will provide useful information on the future development of protocol design for successful cryopreservation of early stage fish ovarian follicles.
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Costa, Nuno Mouta Faria da. "Short term toxicity of nanomaterials in different development stages of amphibians." Master's thesis, Universidade de Aveiro, 2014. http://hdl.handle.net/10773/14129.
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Mestrado em Toxicologia e Ecotoxicologia<br>The production of engineered nanomaterials is rising and constantly
growing. The fast advances in this industry are causing the
introduction of nanomaterials (NMs) into the environment, namely
into aquatic ecosystems. The specific properties that these new
compounds exhibit may promote higher toxicity to biota,
comparatively to their bulk counterparts. Size, charge, surface area,
aggregation index, among others, may dictate the availability and the
degree of toxicity of NMs in aquatic environments, especially when
assembled with environmental changing conditions such as pH and
temperature. Amphibians are excellent bioindicators to study the risk
associated with the release of NM into the aquatic environment, since
they inhabit a wide variety of freshwater habitats associated with
industrial contamination. The present work intended to study the
toxicity of NMs to different life stages of amphibians, concerning the
increase of global temperature that is currently taking place. In order
to achieve this, two specific goals were determined:
i) evaluate the influence of temperature in the toxicity of NMs of
hidrophobically modified polyacrylic acid (HM-PAA) to tadpoles of
Epidalea calamita and Pelophylax perezi. For this, tadpoles of E.
calamita and P. perezi were exposed to a range of six concentrations
of HM-PAA plus a control, at 20ºC and 25ºC. Results showed lethal
and sublethal toxicity of HM-PAA, but a clear pattern of temperature
influence in the toxicity of HM-PAA could not be unveiled;
ii) assess the influence of Si-NM size and temperature in the toxicity
of this NM to embryos of Pelophylax perezi. To attain this goal,
embryos of P. perezi were exposed to a range of six concentrations
of three differently sized Si-NMs (SM30-7nm, HS30-12nm, and
TM40-22nm) plus a control, at 20ºC and 26ºC. Results obtained show
lethal and sublethal toxicity caused by all the Si-NM and an increased
toxicity at higher temperatures. Furthermore, it was observed that the
NM presenting the lowest primary size exhibited the highest toxicity.<br>A produção de nanomateriais artificiais está em constante
crescimento. Os rápidos avanços nesta indústria promovem a
introdução de nanomateriais (NMs) no meio ambiente,
nomeadamente nos ecossistemas aquáticos. As propriedades
específicas que estes compostos apresentam podem promover uma
maior toxicidade comparativamente aos seus correspondentes de
tamanho não nano. Tamanho, carga, área superficial, índice de
agregação, entre outras propriedades, podem ditar o grau de
toxicidade dos NMs em ambientes aquáticos, especialmente quando
combinados com as constantes mudanças de vários parâmetros
ambientais, por exemplo pH e temperatura. Os anfíbios são
excelentes bioindicadores para estudar o risco associado à
introdução de NMs no meio aquático, uma vez que habitam uma
grande variedade de habitats de água doce potencialmente
contaminados com descargas industriais. O presente trabalho teve
como objetivo estudar a toxicidade de NMs em diferentes estágios
de vida de anfíbios, tendo em perspetiva a influência do aumento da
temperatura global que atualmente afeta o planeta Terra. A fim de
alcançar este objetivo, foram realizados dois estudos que
pretenderam:
i) avaliar a influência da temperatura na toxicidade de NMs de ácido
poliacrílico hidrofobicamente modificado (HM-PAA) para girinos de
Epidalea calamita e Pelophylax perezi. Para tal, girinos de E.
calamita e P. perezi foram expostos a uma gama de seis
concentrações de HM-PAA e a um controlo, a temperaturas de 20ºC
e 25ºC. Os resultados mostram toxicidade letal e sub-letal provocada
pelo HM-PAA, no entanto, não foi visível um padrão claro de
influência da temperatura na toxicidade deste NM;
ii) determinar a influência do tamanho de Si-NMs e da temperatura
na sua toxicidade para embriões de Pelophylax perezi. Ovos de P.
perezi foram expostos a uma gama de seis concentrações de três Si-
NPs com diferentes tamanhos (SM30-7nm, HS30-12nm, e TM40-
22nm) e a um controlo, a temperaturas de 20ºC e 26ºC. Os
resultados obtidos mostram toxicidade letal e sub-letal causadas
pelos 3 NMs e um aumento da toxicidade com temperaturas mais
elevadas. Mais ainda o NM com menor tamanho apresentou maior
toxicidade.
47
Dougherty, Jennifer L. "Impact of Child-Centered Play Therapy on Children of Different Developmental Stages." Thesis, University of North Texas, 2006. https://digital.library.unt.edu/ark:/67531/metadc5287/.
Full textAbstract:
The purpose of this study was to determine the impact of child-centered play therapy on children of Piaget's preoperational and concrete operations developmental stages. Piaget's assertions about the contributions of play to cognitive, affective, and social development have provided a basis for the theoretical rationale for the use of play as a therapeutic intervention. The impact of child-centered play therapy was measured by a decrease in parent-child relationship stress as measured by scores on the Child Domain, Parent Domain, and Total Stress Score of the Parenting Stress Index. This study utilized a three wave repeated measures ANOVA design to analyze the impact of child-centered play therapy on children between the ages of 3-8 who received 19-23 individual child-centered play therapy sessions. A pretest, approximate midpoint, and posttest administration was collected for use in the analysis. The population study comprised 24 children referred to the Child and Family Resource Clinic on the University of North Texas campus. Participating children were divided into two treatment groups based on their age at the time of treatment. The preoperational development treatment group consisted of 12 children aged of 3-6 years and the concrete operations development treatment group consisted of children aged 7-8 years. Nine hypotheses were tested using three wave repeated measures ANOVA and eta squared. The results of this study tentatively support the impact of child-centered play therapy with children of both the preoperational and concrete operations developmental stages. The data indicates a statistically significant difference in the impact of child-centered play therapy for children of different developmental stages.
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Gledhill, Adam. "Psychosocial factors associated with talent development in UK female youth football players." Thesis, Loughborough University, 2016. https://dspace.lboro.ac.uk/2134/22296.
Full textAbstract:
Psychosocial factors are the interrelated psychological, social and/or behavioural considerations that can influence talent development in football (Holt & Dunn, 2004). Despite this, the significant growth of female football worldwide, and the psychosocial challenges faced by female athletes during adolescence, scant scholarly attention has been afforded to the role of psychosocial factors in the development of talented female football players. Therefore the main aim of this thesis was to understand psychosocial factors associated with talent development in UK female football players. Study one systematically reviewed the literature on psychosocial factors associated with talent development in soccer. Following an extensive literature searching, selecting and appraisal process, three overarching themes of psychological, social and behavioural factors associated with talent development in soccer - underpinned by a total of 33 subthemes were created. The appraised literature has a moderate-to-high risk of reporting bias; had a significant bias towards adolescent, Caucasian, male, able-bodied, and European soccer players; and extant literature has demonstrated bias towards quantitative approaches and retrospective data collection methods. Consequently, study two began to address these reported biases by longitudinally and prospectively investigating the developmental experiences of English elite female youth soccer players. Through interviews, fieldwork and the use of composite sequence analysis, study two forwarded the importance of psychosocial considerations including the interaction between players and key social agents (soccer fathers, soccer brothers, soccer peers and non- soccer peers), elements of self-regulation and volitional behaviours, and the subsequent developmental benefits for their soccer careers. However, this study did not address the experiences of those who were unsuccessful in their attempts to achieve an elite female soccer career, nor did it collect primary data from other key social agents. Building on the critique of study two, study three sought to adopt an underutilised approach of negative case analysis by examining the experiences of players who had been unsuccessful in their attempts to forge a career in female soccer. Based on interviews former female players, their best friends, coaches and teachers, a grounded theory of talent and career development in UK female youth soccer players was produced. The theory posited that interactions with multiple social agents can affect the quality of talent development and learning environment that a player experiences, which can lead to adaptive player level benefits and changes (e.g., basic psychological need satisfaction; development of pertinent intra-individual constructs; optimal match preparation and training behaviours) and create a greater chance of career success. Study three also forwarded important culturally significant considerations for practitioners working with UK female soccer players, such as an understanding of dual career demands and the impact of role strain on female players. However, study three did not test any of the theoretical predictions offered by the grounded theory. Owing to the need to test predictions of grounded theories to assess their predictive validity, study four sought to test key predictions using a representative sample of English talented and elite adolescent female soccer players (N=137). As a result of the limited structural stability of the Basic Needs Satisfaction in Sport Scale and the Talent Development Environment Questionnaire (as demonstrated by significant cross loading of items, high bivariate correlations between subscales, and one example of an inadequate Cronbach s alpha), data was parcelled and the revised path hypothesis: perceptions of talent development environment > basic psychological needs satisfaction > career aspirations and beliefs > career intentions was produced. Path analysis supported the hypothesis. Supporting findings of studies two and three, regression analysis demonstrated that playing level positively predicted career beliefs, aspirations and intentions; whereas age negatively predicted these variables. Finally, TDEQ results indicated a perception that UK female soccer players that they can be written off before having the opportunity to fulfil their potential. Overall, this thesis has provided original and unique contributions to the sport psychology literature by enlightening the body of research to the developmental experiences of English female youth soccer players. It provides a developmental understanding scarcely evident in existing talent development literature. The interactional roles of multiple social agents have been elucidated and linked to psychosocial development, behavioural outcomes and talent and career progression within talented female players. The thesis has extended previous approaches to talent development in soccer by testing the predictions of the grounded theory. Initial evidence suggests that the proffered grounded theory is robust; however further research utilising structurally sound and ecologically valid measures would serve to further validate these claims.
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Giesbrecht, Norman David. "A path model of the relationship among psychosocial, moral, and faith development." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape15/PQDD_0008/NQ31027.pdf.
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Mlinac, Michelle M. A. "Women's psychosocial development in later life: What changes, what remains the same?" Xavier University / OhioLINK, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=xavier1383575134.
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