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Dissertations / Theses on the topic 'Reliability and validity'
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Guo, Tong 1968. "Statistical analysis of reliability-validity studies." Thesis, McGill University, 1998. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=21560.
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Reliability and validity studies are common in epidemiology, especially in the course of the development of measure instruments. Reliability is typically assessed quantitatively, through an appropriate coefficient, such as the Intra-class Correlation Coefficient (ICC). Validity, on the other hand, is assessed more informally through a series of tests and checks: for instance, construct validity may be established by testing the significance of factors that are supposed to influence the measure at hand. In general an ICC is calculated as a ratio of variance components to the total variance. Therefore the first step in the calculation of an ICC is the estimation of variance components from an appropriate statistical model. This thesis presents two approaches to the estimation of variance components in the context of reliability and validity studies: One is the ANOVA approach, based on the method of moments and valid especially for the case of balanced data. The other is the mixed linear model approach, for the more general case of unbalanced data. Furthermore, a general framework is developed which permits treatment of reliability and validity within the same statistical model, By means of this statistical model, a special case of the mixed linear model, appropriate ICCs for both reliability and validity can be computed, while construct validity can be established by testing the significance of appropriate fixed effects. The delta method and the bootstrap are proposed for the calculation of the standard errors and confidence intervals of the ICCs. Finally, an example of case-vignette study is presented. All calculations were carried out using the SAS system.
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Guo, Tong. "Statistical analysis of reliability-validity studies." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape10/PQDD_0028/MQ50780.pdf.
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Kinser, Ann M., William A. Sands, and Michael H. Stone. "Reliability and Validity of a Pressure Algometer." Digital Commons @ East Tennessee State University, 2009. https://dc.etsu.edu/etsu-works/4604.
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Algometers are devices that can be used to identify the pressure and/or force eliciting a pressure-pain threshold. It has been noted in pressure-pain threshold studies that the rate at which manual force is applied should be consistent to provide the greatest reliability. This study tested the reliability and construct validity of an algometer (1000-Hz sampling rate) by manually applying pressure on a force plate (500-Hz sampling rate): 10 sets of 5 applications to 80 N and 1 set of 5 applications to each force level: 20, 30, 40, 50, 60, 70, 80, 90, 100, and 110 N. The investigator had previously become familiar with and practiced with the algometer. The handheld algometer had a 1-cm2 round rubber application surface, and the maximum force reading was compared with maximum force readings by the force plate using SEM and t-tests. Force-time curves were analyzed for average slope representing rate of force application. Average Pearson (r) correlations between the maximum force reading of the algometer and force plate were excellent in both trials to 80 N (r = 0.990) and the incremental trials (r = 0.999). The application of force was reasonably constant, with slopes averaging 6.8 ± 0.932 N·s−1. The SEE was 0.323 N. In conclusion, with previous familiarization and practice, an investigator may have high reliability in the rate of force application. The device itself was also highly correlated with readings from a force plate and, therefore, may be considered valid.
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Garden, Jennifer Anna. "Reliability and validity of the Wheelchair Outcome Measure." Thesis, University of British Columbia, 2009. http://hdl.handle.net/2429/12613.
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Study Design: Prospective test re-test study.
Objectives: To examine the reliability and validity of the Wheelchair Outcome Measure (WhOM) and discuss its clinical implications.
Background: Review of the literature indicates the need for a client-centred wheelchair outcome measurement tool that measures participation outcomes related to wheelchair use. To date there have been no studies of the reliability and/or validity of the WhOM.
Methods and Measures: A total of 50 participants who had a spinal cord injury participated in the study. There were three time periods in which the participant was required to answer questions. During the first session, demographic information was collected and the WhOM was completed along with the four additional measures. During the second session, the WhOM satisfaction scores were measured again. The entire WhOM was re-administered during the third by a second rater. A relative reliability index (intra-class correlation coefficient, ICC2,1 for test re-test and ICC2.2 for inter-rater reliability) was employed. Rater agreement for identified WhOM participation outcomes was determined using Kappa coefficients. Spearman’s correlation coefficient was used to examine construct validity.
Results: Test re-test agreements were high (ICC2,1: 0.90) and inter-rater agreements were high (ICC2,2: 0.90). Substantial agreement between raters for identified participation outcomes was achieved (K≥ 0.71). The subscale of assistive device scale of the Quebec User Evaluation of Satisfaction with Assistive Technology (QUEST) demonstrated a positive relationship with the WhOM (r ≥ 0.65). Items on the Assessment of Life Habits (LIFE-H) demonstrated a positive relationship with the WhOM (r ranged from 0.51 – 0.62). Both the Psychosocial Impact of Assistive Devices Scale and the Return to Normal Living Index failed to meet the hypothesis (r ≥ 0.50).
Conclusion: The WhOM is a new and useful tool for clinicians and researchers who work in the field of wheelchair prescription and research. Test re-test and inter-rater agreements were high for individuals with a diagnosis of a spinal cord injury. Evidence of validity was demonstrated with the QUEST and items from the LIFE-H.
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Rutkienė, Aušra. "Validity and Reliability of Experiment Planning in Education." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2008. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2008~D_20080721_125230-68621.
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Experimental research is a well known research method in biomedicine, technical and physical sciences. Different definitions of an experiment depend on the science where an experiment is used, on the goals of an experiment, how it is organized, etc. One of the urgent problems is the lack of information on planning an experimental research in education. The first part of the dissertation covers scientific research and document analysis that helps to emphasize the place of an experiment among other research methods, to present the variety of experiments, the phases of an experiment, to define the validity and reliability factors of an experiment, and to construct the model of planning of an experiment evaluating validity and reliability. The survey of dissertations defended in 1996-2005 showed that 30 percent of doctoral students use an experiment combining it with other research methods. An experiment is used in research by those doctoral students who come from education institutions preparing their specialists for education activities. Analysis showed that an experiment is often combined with other research results, most often with literature analysis, survey and monitoring. Survey with doctoral students in education showed that the attitude of doctoral students changes towards planning and implementation of research, and students are able to combine different research methods. However, experiment planning is confused with planning and implementation of research. Doctoral... [to full text]Disertacijoje analizuojamas eksperimentas kaip tyrimo metodas. Pirmojoje dalyje pristatoma mokslinės literatūros ir dokumentų analizė, kurios pagalba išryškinta eksperimento kaip tyrimo metodo vieta kitų tyrimų atžvilgiu, pristatyta eksperimentų įvairovė, eksperimento planavimo etapai, išskirti eksperimento tinkamumo bei patikimumo faktoriai bei sukonstruotas modelis eksperimento planavimui, įvertinant tinkamumą bei patikimumą. Empirinėje dalyje disertacijų, apgintų 1996-2005 metais, analizė, tęstinė doktorantų apklausa bei interviu parodė, kad apie 30 proc. disertantų naudoja eksperimentą, derindami jį su kitais tyrimo metodais. Disertaciniuose darbuose eksperimentą dažniausiai taiko tų aukštųjų mokyklų, kurios rengia specialistus ugdomajai veiklai, doktorantai. Anketinės edukologijos doktorantų apklausos rezultatai rodo, kad studijų eigoje keičiasi doktorantų požiūris į tyrimo planavimą ir vykdymą, studentai geba derinti įvairius tyrimo metodus, ryškėja tendencija naudoti kokybinius tyrimo metodus. Tačiau eksperimento planavimas yra painiojamas su disertacinio tyrimo planavimu bei tyrimo vykdymu. Bandomąjį eksperimentą atlieka ne visi, kai kurie prieš eksperimento atlikimą organizuoja tik apklausas. Planuojant tyrimą dažnai nėra numatomi duomenų apdorojimo metodai. Atvejo analizė rodo, kad pagal sudarytą modelį atlikto tyrimo rezultatai yra patikimi ir tinkami apibendrinimui. Atliktas tyrimas rodo, kad sudarytas išorinio ir vidinio tinkamumo užtikrinimo modelis gali būti... [toliau žr. visą tekstą]
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Fortin, Luc 1949. "Functional cervical scale : a reliability and validity study." Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=23888.
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Background. There are two specific scales designed to assess neck pain. They have weaknesses and limited assessment. A Functional Cervical Scale (FCS) based on neck disorders disability was developed after literature review and consultation with patients and medical specialists. Thirty-two items were tested.Study design. Two hundred and ten patients with neck pain answered the FCS and other questionnaires on work, medication intake and quality of life. Another copy of the FCS was mailed to the subjects who had to return it in a pre-stamped envelope.
Methods. Item selection analyses were done. Test-retest and internal consistency were calculated to assess reliability. Univariate and multivariate analyses were conducted and correlations with other measures of neck pain were calculated to assess construct validity.
Results. Through item selection procedures, the number of items was reduced from 32 to 30. Intraclass correlation coefficient (ICC) for test-retest was 0.93 and Cronbach's alpha coefficient was 0.97. Correlations for validity were good.
Conclusion. FCS showed excellent reliability and good validity. The latter needs more assessment. The sensitivity to change should be estimated.
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Bain, Stella Anne. "Measuring interrogative suggestibility : questions of reliability and validity." Thesis, University of Strathclyde, 2002. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=21187.
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Gudjonsson developed two scales to measure interrogative suggestibility: Gudjonsson Suggestibility Scales I and 2 (GSS I and GSS 2; Gudjonsson, 1984a; 1987c). The aims of the present thesis were to examine issues related to the reliability and validity of these scales. Three studies are presented. Study I assessed the effects of two interviewer styles on measures obtained on the GSS 1. The hypothesis was that a generally abrupt demeanour adopted by the interviewer would lead to higher scores than a friendly demeanour. Results showed that participants tested in the Abrupt condition gained higher scores on two of the post-feedback GSS measures than those tested in the Friendly condition. It was concluded that post-feedback scores may be more sensitive to social aspects of suggestibility than responses to leading questions. Study 2 assessed the effect of the same interviewer demeanours on a sample of adolescents, a more vulnerable population (e. g. Richardson, Gudjonsson, & Kelly, 1995). It was hypothesised that the abrupt demeanour would produce higher GSS I scores, than a friendly demeanour and that this difference would be more marked than that found for normal adults. Results did not support the hypothesis. Scores were lower in the Abrupt condition; this difference was significant for post-feedback responses to leading questions. It was concluded that results provided further evidence that GSS scores are not readily predictable. Study 3 aimed to investigate indicators of "faking bad" on the GSS. It was hypothesised that participants instructed to fake suggestibility would demonstrate a unique scoring pattern. Results supported the hypothesis. It was concluded that an elevated pre-feedback score in the absence of any other raised scores may indicate malingering on the GSS. Issues related to the reliability and validity of the scales are discussed.
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Brouwer, Roy. "The validity and reliability of environmental benefits transfer." Thesis, University of East Anglia, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.365121.
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Clay-Adkins, Sandra L. Thompson James Richard. "Reliability and validity of the Supports Intensity Scale." Normal, Ill. : Illinois State University, 2004. http://wwwlib.umi.com/cr/ilstu/fullcit?p3128272.
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Thesis (Ed. D.)--Illinois State University, 2004.Title from title page screen, viewed Jan. 11, 2005. Dissertation Committee: James R. Thompson (chair), Barbara M. Fulk, Jeffrey H. Kahn, Debra L. Shelden, W. Paul Vogt. Includes bibliographical references (leaves 135-145) and abstract. Also available in print.
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Hoskins, Matt C. "Structural-Symbolic Translation Fluency: Reliability, Validity, and Usability." Digital Commons @ East Tennessee State University, 2016. https://dc.etsu.edu/etd/3012.
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Standardized formative mathematics assessments typically fail to capture the depth of current standards and curricula. Consequently, these assessments demonstrate limited utility for informing the instructional implementation choices of teachers. This problem is particularly salient as it relates to the mathematical problem solving process. The purpose of this study was to develop and evaluate the psychometric characteristics of Structural-Symbolic Translation Fluency, a curriculum-based measure (CBM) of mathematical problem solving. The development of the assessment was based on previous research describing the cognitive process of translation (Mayer, 2002) as well as mathematical concept development at the quantitative, structural, and symbolic levels (Dehaene, 2011; Faulkner, 2009; Griffin, 2004).
Data on the Structural-Symbolic Translation Fluency assessment were collected from 11 mathematics and psychometrics experts and 42 second grade students during the spring of 2016. Data were analyzed through descriptive statistics, frequencies, Spearman-Brown correlation, joint probability of agreement, Pearson correlation, and hierarchical multiple regression. Psychometric features of interest included internal consistency, inter-rater reliability, test-retest reliability, content validity, and criterion-related validity. Testing of the 9 research questions revealed 9 significant findings. Despite significant statistical findings, several coefficients did not meet pre-established criteria required for validation. Hypothesized modifications to improve the psychometric characteristics are suggested as the focus of future research. In addition, recommendations are made concerning the role of assessing the translation process of mathematical problem solving.
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Tice, Ashley N., Paige S. Waddell, Courtney D. Hall, Faith W. Akin, Owen D. Murnane, and Kristal M. Riska. "Reliability and Validity of Bertec Computerized Dynamic Posturography." Digital Commons @ East Tennessee State University, 2017. https://dc.etsu.edu/etsu-works/1866.
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Sensory Organization Test (SOT) quantifies contributions of three sensory systems to postural stability and identifies fall risk. This study evaluated reliability and validity of SOT on a newly available computerized dynamic posturography system (Bertec) compared to the gold standard (NeuroCom). Forty-three adults with normal vestibular function completed testing on both systems over two sessions. Bertec SOT is valid and reliable in this population, but differences in composite scores between Bertec and NeuroCom suggest the systems are not interchangeable.
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Wilson, Stephen M., Alexa Bautista, Melodie Yen, Stefanie Lauderdale, and Dana K. Eriksson. "Validity and reliability of four language mapping paradigms." ELSEVIER SCI LTD, 2017. http://hdl.handle.net/10150/626091.
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Language areas of the brain can be mapped in individual participants with functional MRI. We investigated the validity and reliability of four language mapping paradigms that may be appropriate for individuals with acquired aphasia: sentence completion, picture naming, naturalistic comprehension, and narrative comprehension. Five neurologically normal older adults were scanned on each of the four paradigms on four separate occasions. Validity was assessed in terms of whether activation patterns reflected the known typical organization of language regions, that is, lateralization to the left hemisphere, and involvement of the left inferior frontal gyrus and the left middle and/or superior temporal gyri. Reliability (test-retest reproducibility) was quantified in terms of the Dice coefficient of similarity, which measures overlap of activations across time points. We explored the impact of different absolute and relative voxelwise thresholds, a range of cluster size cutoffs, and limitation of analyses to a priori potential language regions. We found that the narrative comprehension and sentence completion paradigms offered the best balance of validity and reliability. However, even with optimal combinations of analysis parameters, there were many scans on which known features of typical language organization were not demonstrated, and test-retest reproducibility was only moderate for realistic parameter choices. These limitations in terms of validity and reliability may constitute significant limitations for many clinical or research applications that depend on identifying language regions in individual participants. (C) 2016 The Authors. Published by Elsevier Inc. This is an open access article under the CC BY-NC-ND license
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El, Farrah Khassan. "Breast cancer surgery QOL scale : development, validity, and reliability." Thesis, McGill University, 2003. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=80255.
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The SF-36 scale is widely used to evaluate the quality of life among breast cancer patients, but provides an inadequate reflection of their quality of life; therefore, we aimed to set up a new scale, a breast cancer surgery quality of life (BCSQOL) scale and to assess its reliability and validity. The analysis review showed that 75% to 91% of surgically treated patients (59/79) found that the questionnaire items were an accurate reflection of their feelings and were clear. The validity coefficient analysis showed a highly correlated extent of commonality (alpha = 0.778) between BCSQOL and SF-36 and a significant strength of relationship (rho = 0.785). Strong to moderate correlation reliability coefficient analysis (alpha = 0.779--0.351) was observed for the association among all items of the scale. BCSQOL scale may help health care providers to better understand the health status of breast cancer subjects, rendering them more equipped to improve their quality of life.
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Brown, Paul. "Preliminary reliability and validity of the Apperceptive Coping Test." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ37490.pdf.
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Lee, Catharine H. "The Parenting Styles Self-Test, reliability and construct validity." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape10/PQDD_0029/MQ62237.pdf.
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MAUK, JACQUELINE KERN. "RELIABILITY AND VALIDITY ASSESSMENT OF THE EXERCISE SUITABILITY SCALE." Diss., The University of Arizona, 1985. http://hdl.handle.net/10150/188035.
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This study examined the reliability and the validity of the Exercise Suitability Scale (ESS). The ESS was a psychometric instrument developed to measure the suitability of four different forms of exercise (aerobics, bicycling, jogging, and swimming) for different individuals. Aspects of Exercise Suitability included in the ESS were ease, satisfaction, enjoyableness, fatigue, interest, convenience, comfort, safety, affordability, and time-involvement. Background information relating to the development of the ESS as well as methods and results of testing the instrument for reliability and validity were included in this study. Data from a student population were used for estimating the reliability and validity of the ESS. Reliability testing included computing inter-item and item-to-total correlation coefficients, Cronbach's alpha, and internal consistency coefficients (theta and omega) derived from factor analytic techniques. Several types of validity were assessed: content validity, criterion-related validity, and construct validity. Criterion-related validity was estimated by comparing scores on the ESS with information about participation in exercise. Multiple regression was also used to assess criterion-related validity. Principal components analysis was used to examine the construct and content validity of the ESS. Construct validity was also estimated by correlating ESS scale scores with a parallel instrumentation approach, a Q-Sort. Satisfactory reliability indices were obtained for all four ESS exercise scales. Criterion-related validity indices were also adequate. Factor analysis provided some evidence of content validity of the ESS, but provided little support for the construct validity of the ESS. Construct validity was supported, however by the convergence approach.
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Welch, C. Lawrence. "Reformulation in cognitive analytic therapy : reliability, validity and process." Thesis, University of Sheffield, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.531157.
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Tian, Renran. "Validity and reliability of dynamic virtual interactive design methodology." Master's thesis, Mississippi State : Mississippi State University, 2007. http://library.msstate.edu/etd/show.asp?etd=etd-09242007-080500.
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Dixon, Jason M. "Attitudes toward Acculturative Behavior Scale development, reliability and validity /." Ohio : Ohio University, 2008. http://www.ohiolink.edu/etd/view.cgi?ohiou1210546951.
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Akin, Faith W., and Mary Jo Davenport. "The Validity and Reliability of the Motion Sensitivity Test." Digital Commons @ East Tennessee State University, 2003. https://dc.etsu.edu/etsu-works/2424.
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The Motion Sensitivity Test (MST) is a clinical protocol designed to measure motion-provoked dizziness during a series of 16 quick changes to head or body positions. The MST has been used as a guide for developing an exercise program for patients with motion-provoked dizziness and as a treatment outcome measure to monitor the effectiveness of vestibular rehabilitation therapy. This study determined validity, test-retest reliability, and interrater reliability of the MST. Fifteen individuals with motion-provoked dizziness and ten control individuals were tested during sessions occurring 90 min and/or 24 hr after baseline testing. The MST was found to be reliable across raters (intraclass correlation coefficient [ICC] = 0.99) and test sessions (ICC = 0.98 and 0.96). Test validity was good. The results indicated that the MST can be used reliably in clinical practice to develop exercise programs for patients with motion-provoked dizziness and to provide evidence of intervention efficacy
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Chapman, S. M. "Paediatric Track and Trigger Systems : validity, reliability and utility." Thesis, University College London (University of London), 2017. http://discovery.ucl.ac.uk/1542518/.
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Paediatric Track and Trigger Systems (PTTS) should alert staff to deteriorating children and accelerate access to resuscitation. The thesis presents a series of linked studies exploring selected aspects of PTTS use. Study 1: Systematic review Fifty-five papers describing 33 PTTS were identified. Implemented without a rapid response team (RRT), PTTS did not demonstrate statistically significant relative reduction in cardiac or respiratory arrest, or mortality. Implemented as part of a RRT PTTS demonstrated a statistically significant reduction in the relative and absolute risk of death in hospital, death on the ward and death following PICU transfer. Study 2: Validity This case-controlled study compared the predictive validity of 18 PTTS using case-controlled methodology. The area under the receiver operator characteristic curve (AUROC) varied (0.62 to 0.89). Three systems demonstrated statistically better performance. Incorporation of evidence-based thresholds for heart and respiratory rate did not improve the AUROC of high-performing systems. Study 3: Reliability This study examined the accuracy and completeness of PTTS documentation and compliance to a monitoring and escalation protocol. Of the 13,816 observation sets, 10,518 (76.1%) had an accurately calculated PTTS. Just 4957 (35.9%) contained all the required parameters. Only 3.3% of patients (20/608) met the required standard for monitoring and escalation. Study 4: Utility This mixed-methods study examined the understanding and experiences of children, young people, parents and nurses surrounding the use of a PTTS. Three main themes emerged: benefits and burdens, watchfulness and wisdom, and collaboration and conflict. Findings indicate that use of a PTTS is complex and greater collaboration between children/young people, families and healthcare professionals is likely to improve their use in clinical practice. Conclusion: There may be a relationship between validity, reliability and utility which, at present, is poorly understood. Better understanding of this relationship may improve outcomes for children and young people.
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Tessaro, Edoardo. "Quantifying validity and reliability of GPS derived distances during simulated tennis movements." Thesis, Virginia Tech, 2017. http://hdl.handle.net/10919/74980.
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Tennis is a competitive sport attracting millions of players and fans worldwide. During a competition, the physical component crucially affects the final result of a match. In field sports such as soccer physical demand data are collected using the global positioning system (GPS). There is question regarding the validity and reliability of using GPS technology for court sports such as tennis. The purpose of this study is to determine the validity and reliability of GPS to determine distances covered during simulated tennis movements. This was done by comparing GPS recorded distances to distances determined with a calibrated trundle wheel. Two SPI HPU units were attached to the wheel Four different trials were performed to assess accuracy and reliability: distance trial (DIST), shuttle run trial (SHUT), change of direction trial (COD) and random movement trial (RAND). The latter three trials are performed on a tennis court and designed to mimic movements during a tennis match. Bland-Altman analysis showed that during all trails, there were small differences in the trundle wheel and GPS derived distances. Bias for the DIST, SHUT, COD and RAND trails were -0.02±0.10, -0.51±0.15, -0.24±0.19 and 0.28±0.20%, respectively. Root mean squared (RMS) errors for the four trials were 0.41±0.10, 1.28±0.10, 1.70±0.10 and 1.55±0.13%. Analysis of paired units showed a good reliability with mean bias and RMS errors <2%%. These results suggest that SPI HPU units are both accurate and reliable for simulated tennis movements. They can be confidently used to determine the physical demands of court sports like tennis.Master of Science
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Otřísal, Václav. "Statistika ve vývoji zkušebního testu." Master's thesis, Vysoká škola ekonomická v Praze, 2009. http://www.nusl.cz/ntk/nusl-15750.
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The paper deals with a justifiability of the application of statistics in the process of test development. It also aims to show possibilities of its application on the final test version. The first part of the thesis brings up the fundamentals of test development theory. The second part aims to describe general impact of statistics application on the test qualities. It further focuses on item analysis as one of the tool to evaluate test items qualities. Among others it includes information about reliability and validity analysis so as about the test equating methods. The analytical part contains analysis conducted on the OSP test. The analytical part also deals with predicted test validity and with the quality level of data gained from pre-testing.
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Lundell, Ann-Charlotte, and Charlotte Lundgren. "JOB-RELATED SOCIAL WELL-BEING SCALE - APPLICERBAR INOM OFFENTLIG PRIMÄRVÅRD? : En pilotstudie." Thesis, Högskolan i Skövde, Institutionen för hälsa och lärande, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-9089.
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Bakgrund: Välbefinnande berör alla yrkeskategorier, inte minst hälso- och sjukvårdspersonal. Det är viktigt att uppleva välbefinnande för att kunna utföra god omvårdnad. Ett nytt mätinstrument kallat Job-Related Social Well-Being Scale (JSWS) har utvecklats av Ali Kazemi och har testats bland personal inom skolan och industrin men inte inom hälso- och sjukvård. Syfte: Syftet med denna studie var att bland hälso- och sjukvårdspersonal undersöka applicerbarheten hos ett mätinstrument avsett att mäta socialt välbefinnande på arbetet. Metod: Denna pilotstudie hade en kvantitativ ansats. Datainsamlingen med JSWS och KASAM gjordes genom webbaserade enkäter som distribuerades till hälso- och sjukvårdspersonal inom primärvården vid två tillfällen. Antal möjliga respondenter var 188, vid första mättillfället besvarade 27 respondenter enkäten och vid andra mättillfället 11 respondenter. Spearmans rangkorrelation användes för att studera applicerbarheten. Som jämförelseinstrument användes den korta versionen av KASAM-formuläret. Resultat: Test-retest var signifikant (rs=0.90; p<0.01). Stabilitet över mätinstrument samt kriterievaliditet visade på en ickesignifikant korrelation (rs=0.327; p<0.1) mellan JSWS och KASAM. Konklusion: Denna pilotstudie visade att metoden bör förbättras för att få högre svarsfrekvens så att generaliseringar kan göras. Stabilitet över mätinstrument och kriterievaliditet indikerar att i en huvudstudie med fler respondenter skulle resultatet hamna på en signifikant nivå.Background: Wellbeing at work concerns all professionals, including healthcare professionals. It is important to experience wellbeing for being able to take care of patients. A new instrument, Job-Related Social Well-Being Scale (JSWS), developed by Ali Kazemi has been tested among professionals in school and industry, not among healthcare professionals. Aim: The aim of this pilot study was among healthcare professionals study the applicability of an instrument intended to measure social wellbeing at work. Method: This pilot study had a quantitative approach. The datacollection with JSWS and the short version of Sense of Coherence (SOC-13) was done through webbased survey distributed to professionals in primary healthcare at two occasions, to 188 possible respondents. The number of respondents in the first measurement were 27 and in the second 11. Spearmans rankcorrelation (rs) was used to study the applicability. SOC-13 was used as the comparison instrument. Results: The test-retest is significant (rs=0.90; p<0.01). The equivalence and criterion validity shows a non significant correlation (rs=0.327; p<0.1) between JSWS and SOC-13. Conclusion: This pilot study showed that the method should be improved to recieve more respondents so generalizations can be done. Equivalence and criterion validity indicates that in a main study with more respondents, the results would be at a significant level.
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Pollock, Nancy. "The reliability and validity of the Erhardt Developmental Prehension Assessment /." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=61242.
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The Erhardt Developmental Prehension Assessment (EDPA) was designed as a measure of hand function for use with developmentally and physically disabled children. In this study the inter-observer reliability of the EDPA, and the concurrent validity of the EDPA with the fine motor scale of the Peabody Developmental Motor Scales (PDMS) were evaluated. The EDPA was initially revised by standardizing the procedures for administering the test and developing an objective scoring system. Thirty developmentally disabled children ranging in age from 3 to 18 months were tested in this study.The results indicate that the EDPA has high levels of inter-observer reliability, and that it has concurrent validity with the PDMS in this population. Further test revisions are necessary, however, to improve the EDPA's discriminative power. Normative data needs to be gathered on a large, cross-sectional sample of children so that future measures of impaired hand function will be based on a good understanding of the sequence of normal development.
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White, Gregory Nicholas Clinical School South Western Sydney Faculty of Medicine UNSW. "Pilot reliability and validity of the stroke rehabilitation motivation scale." Awarded by:University of New South Wales. Clinical School - South Western Sydney, 2010. http://handle.unsw.edu.au/1959.4/44814.
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Aims This study aimed to demonstrate reliability and validity of the Stroke Rehabilitation Motivation Scale, a novel instrument designed to assess internal and external contributions to motivation. Many studies recognise motivation, in the everyday sense, as a factor affecting stroke rehabilitation, but there is no standard measure. There is also no agreement as to whether motivation in the post-stroke period is the same as the absence of depression, anxiety or stress; hence the need for an independent measure of motivation. Method The Stroke Rehabilitation Motivation Scale was adapted from the 28-item Sports Motivation Scale, which in turn was developed according to the intrinsic and extrinsic contributions to motivation identified by Self-Determination Theory. The resulting Stroke Rehabilitation Motivation Scale was tested in two stages. In the 28-item reliability stage, in a sample of 18 stroke patients from the stroke ward of Bankstown-Lidcombe Hospital, the scale was tested for Inter-rater reliability, scale reliability, and validity via comparison of high vs. low motivation groups according to a novel ???motivation score???. The scale was shortened from 28-items (four per subscale) to 7 items (one per subscale) by selecting the most reliable items. The three intrinsic and extrinsic subscales were summed and averaged, and the amotivation score was subtracted from this to produce a ???motivation score???, such that a person with a positive score had more motivation, either extrinsic or intrinsic, than they had amotivation. e.g. [ ( E + I )/2 ??? A ] In the 7-item reliability stage, a further 13 patients were recruited from Bankstown-Lidcombe and Liverpool Hospitals. The 7-item scale was tested for scale reliability, and for validity by comparison of high vs. low motivation groups as well as correlations between motivation score, anxiety, depression and stress, and rehabilitation outcomes. Results In both the 28-item and 7-item stages the scale demonstrated adequate to very good reliability. There was a lack of significant mean differences or correlations to demonstrate validity in either stage; this study does not represent a convincing demonstration of validity of the SRMS. However, it would appear that motivation is conceptually distinct from depression, anxiety and stress, and the scale definitely warrants further testing in a larger sample.
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Wu, Tinghao. "Reliability and validity of Virtual Build methodology for ergonomics analyses." Master's thesis, Mississippi State : Mississippi State University, 2005. http://sun.library.msstate.edu/ETD-db/ETD-browse/browse.
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Rizzo, Karen Snow 1955. "Reliability and validity testing of the Clark Caregiving Skills Index." Thesis, The University of Arizona, 1989. http://hdl.handle.net/10150/277175.
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This descriptive study was designed to initially test a measurement instrument designed to index caregivers' perceptions of their learning needs related to caring for an elderly family member in the home. A self-report demographic tool and the Clark Caregiving Skills Index (CCSI) were completed by 30 caregivers of home care patients.
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Watts, Tracy N. "EVERYDAY SPEECH PRODUCTION ASSESSMENT MEASURE (E-SPAM): RELIABILITY AND VALIDITY." UKnowledge, 2011. http://uknowledge.uky.edu/gradschool_theses/98.
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Purpose: The Everyday Speech Production Assessment Measure (E-SPAM) is a novel test for assessing changes in clients‟ speech production skills after intervention. This study provides information on reliability and validity for the test and overviews its clinical application.
Method & Procedures: E-SPAM, oral reading, and sequential motion rate tasks were administered to 15 participants with motor speech disorders (MSDs). E-SPAM responses were scored using a 5-point system by four graduate students to assess inter-scorer and temporal reliability and to determine validity for E-SPAM.
Results: Findings of this study indicate that the E-SPAM can be scored with sufficient reliability for clinical use, yields stable scores on repeat administrations, and that its results correlate highly with other accepted measures of speech production ability, specifically sentence intelligibility and severity.
Conclusions: While the results of this study must be considered preliminary because of the small sample size, it does appear that the E-SPAM can provide information about aspects of speech production such as intelligibility, efficiency, and speech naturalness, that are important when treatment focuses on improving speech. The E-SPAM also appears to be a “clinician-friendly” test as it is quick to administer and score and can be administered to patients across the severity continuum.
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Cubberley, Rebecca Sue. "Evaluating the Reliability and Validity of the Muscle Dysmorphia Inventory." TopSCHOLAR®, 2009. http://digitalcommons.wku.edu/theses/121.
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Hansen, Sharon. "Determination of validity and reliability of people centered culture survey." Online version, 1999. http://www.uwstout.edu/lib/thesis/1999/1999hansens.pdf.
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San, Miguel Kaleigh. "Reliability and Validity of the FITNESSGRAM® Physical Activity Items." Thesis, University of North Texas, 2011. https://digital.library.unt.edu/ark:/67531/metadc84271/.
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Large-scale assessments of children and youth physical activity (PA) behaviors are regularly conducted in school settings. In addition to assessing actual fitness, the FITNESSGRAM® assesses self-reported PA behaviors for aerobic, strengthening, and flexibility activity within the past 7 days. The purpose of this study was to examine the reliability and validity of the three PA items. Participants included 1010 students in grades three through twelve and were either tested under a teacher – teacher condition, an expert - expert condition, a teacher – expert condition, or a trained teacher – expert condition. Comparisons of the responses to the PA items indicated adequate reliability for teachers, but the reliability improved with training. Likewise, the validities for teachers are moderate to fair; however, they improved when teachers received additional training.
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Deutsch, Ruth Marion. "Reliability, validity and educational use of the Cognitive Abilities Profile." Thesis, City, University of London, 2017. http://openaccess.city.ac.uk/21479/.
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The Cognitive Abilities Profile (CAP) (Deutsch and Mohammed, 2010) is a collaborative tool for psychologists and teachers. The CAP is based on principles of Dynamic Assessment (DA) and uses a consultative model for rating pupils' cognitive abilities in various cognitive domains and for planning interventions to facilitate pupils' progress accordingly. The CAP was developed in response to a perceived need for educational psychologists (EPs) to have access to alternative assessments to standardised psychological tests, particularly in the case of learning disadvantaged and ethnic minority pupils. Using DA as one possible approach creates a need for EPs to have access to training and to receive support with the implementation of DA-based intervention methods within local services. However, surveys of EP use of DA indicate limitations in training, inadequate support and difficulties in wider application of DA. In the present work, a quantitative methodology has been used to examine the validity and reliability of the CAP in overcoming the above-noted difficulties in the implementation of DA by EPs. The methodology involved the collection and analysis of data from three groups of EPs, two of which conducted consultations with teachers using the CAP and the third group of EPs used its own choice of consultation methodology and functioned as a control group. The findings of the present work provide evidence of good construct validity of the CAP cognitive domains, adequate inter-rater reliability between CAP users and evidence of advantage for pupils in some areas of functioning between pre- and post-use of the CAP, as validated by independent standardised tests. Analysis of perceptions of EPs of the utility of the CAP, based on the results of feedback questionnaires, addresses issues of user friendliness of the CAP. CAP users agreed on the need for initial training for psychologists and support for practitioners. The findings have implications for adoption of a novel approach in EP and teacher related work.
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Stretch, Richard Aldworth. "Validity and reliability of an objective test of cricket skills." Thesis, Rhodes University, 1985. http://hdl.handle.net/10962/d1005625.
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This study was conducted to assess the validity and reliability of four self-designed, objective tests of cricket batting, bowling, fielding and general ability skills. The batting test requires the batsman to hit a suspended ball at a target area as many times as possible in 60 seconds. His score is doubled to give his score for the batting test. In the bowling test the bowler is required to bowl ten balls at target areas marked on the pitch. Each delivery is recorded to give him a score out of 100. The fielding test requires the fielder to catch and field seven balls in a predetermined sequence. Each fielded ball that is not thrown through the target area incurs a penalty of three seconds. The total time taken is used to obtain the fielding test score out of 100. In the general ability test the player is required to hit a ball up and down twenty-five times. He then has to run along a predetermined path and field three balls and then bowl three balls at a target. A penalty of three seconds is added onto the time taken for each ball that does not pass through the target area. The actual score, out of 100, is determined from the total time taken. To determine the validity of the objective tests of batting, bowling, fielding and general ability, 155 subjects were subjectively assessed in these four categories by experienced coaches. The four objective tests were then conducted on these subjects and the scores compared. Forty-four subjects were assessed by experienced and inexperienced testers to determine the reliability of the tests when administered by different testers. To determine the reliability of the tests when repeatedly administered by one tester 23 subjects were assessed on five consecutive days. Significant correlations (p < 0,05) were found for the tests of validity between subjective and objective assessment (0,43 to 0,81) and the test for objectivity between experienced and inexperienced testers (0,41 to 0,78). A significant improvement (p < 0,05) in scores occurred during repeated testing, but most of this improvement took place between the first two tests. The results indicate that the tests are valid and reliable tests of cricket batting, bowling, fielding and general ability, if sufficient pre-test practice is allowed.
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Smits, Rochelle R. "Exploring the Reliability and Validity of the Experiential Discounting Task." DigitalCommons@USU, 2012. https://digitalcommons.usu.edu/etd/1219.
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Delay discounting (the devaluation of rewards delayed in time) has been studied extensively using animal models with psychophysical adjustment procedures. Similar procedures were soon developed to assess delay discounting in humans. Although across species the same mathematical function relates discounted value to imposed delay, several methodological concerns have been implicated in human delay discounting procedures. A procedure recently developed to address these concerns is the Experiential Discounting Task (EDT). This task arranges experienced delays and rewards that humans make decisions regarding—experiencing the outcomes of their choices within session before making additional choices. The popularity of this procedure has been fueled by reports of its sensitivity to acute experimental manipulation, and that it has been predictive of treatment success. Similar sensitivity results have not been found when a traditional delay discounting task (DDT) has been used. Though the EDT appears useful for a variety of reasons, it has not been subjected to the same rigorous internal validity and reliability tests that traditional DDTs have. In two experiments we examined the test-retest reliability of the EDT (Experiment 1) and the way in which choice trials are regulated (Experiment 2). Results demonstrate that the EDT is reliable across time and choice is insensitive to trial regulation differences. We conclude with a critique of the EDT as a procedure for assessing delay discounting and hypothesize other processes it may be measuring.
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Haff, G. Gregory, B. Ossenbrink, William A. Sands, and Michael H. Stone. "Reliability and Validity of the Computrainer and Powertap Power Meter." Digital Commons @ East Tennessee State University, 2006. https://dc.etsu.edu/etsu-works/4492.
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Brown, Ernest Leroy. "Reliability and Validity of Pedometers in a Free-living Environment." PDXScholar, 1995. https://pdxscholar.library.pdx.edu/open_access_etds/4870.
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In the field of exercise science there exists no single best method, or tool, for the measurement of physical activity, in particular, activity in everyday free-living conditions. The pedometer, a tool for recording the number of steps taken by an individual, could potentially measure this important component of free-living physical activity. To establish the reliability and validity of the pedometer, 40 subjects wore two pedometers (same brand) in two consecutive I 0-minute trials during normal daily activity. Both trials were videotaped. Each videotape segment was replayed, the number of steps were counted and this count served as the criterion measure of steps. In order to evaluate the reliability of the criterion measure the researcher recounted ten of the forty trials a second time and performed an intraclass reliability estimate and follow-up ANOVA comparing the two separate counts. This yielded an intra-observer reliability estimate of R=0.99 (F=l .36, p=.27). Data analyses included trial-to-trial comparisons of pedometer recordings, left-toright comparisons of pedometer recordings, and comparisons of pedometer recordings to the established criterion scores. Results of trial-to-trial comparisons yielded intraclass reliability estimates of R=0.87 (F=l .51, p=.23) for the left side pedometer and R=0.90 (F=.97, p=.33) for the right side pedometer; no significant differences were found. Estimates of pedometer consistency (left versus right pedometer) yielded a correlation ofR=0.96, with follow-up ANOVA (F=6.46 and p=.02) indicating significant differences between left and right side pedometers. Comparisons of pedometers to the established criterion scores (validity) yielded correlations ofR=0.84 (F=l .85, p=.18) for the left pedometer and R=O. 79 (F=S. 71, p=.02) for the right pedometer. Follow-up ANOVA indicated a significant difference between pedometer and criterion scores for the right pedometer but not the left. Under the conditions of this study, the pedometer worn at the waist level directly above the left leg provided reliable and valid measures of walking steps taken during typical everyday activities. The pedometer worn on the right side of the body underestimated the number of steps taken. Further research on the influence of leg dominance, surface, shoe type, pedometer brand, and gait is needed.
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Li, Xiangdong. "Improving the reliability and validity of 'Wizard-of-Oz' methods." Thesis, University of Huddersfield, 2012. http://eprints.hud.ac.uk/id/eprint/15238/.
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Wizard-of-Oz (WoZ) is a flexible, efficient and cost-economic method to the design and evaluation of interaction systems, particularly such of natural dialogue and smart systems. However, the literature review in the beginning of this research indicated that researchers struggled to implement WoZ and be able to gain reliable and valid experimental results in terms of system facilitation consistency; and WoZ has been criticised for a lack of systematic assessment of influence variables, especially when it was used to study new emerging information and communication technologies. Hence, this research aimed to understand and improve the reliability and validity of WoZ. The research consisted of a series of empirical studies to incrementally deepen the understanding of influence variables. The main body of research comprised studies investigating (1) the impact of schema as WoZ study guidelines, (2) the impact of control panel in system facilitation, (3) the variables affecting evaluator’s interpretation of schema, control panel and subject activity, and (4) the differences in multiple evaluators’ system facilitation. The results indicated that neither rigorous nor general schemas supported highly reliable system facilitation; rather, schemas should be accordingly proposed on the base of predictable or unpredictable user interactions. Also the results revealed the hidden relationships between control panel and system facilitation through identifying the control panel influence factors such like layouts and functions and their connections with system facilitation. Additionally, despite the difficulty of synchronising evaluators’ individual expertise and experiences was admitted, the research findings suggested practical measurements to address the individual differences at acceptable levels through applying additional assistance and constraints to evaluator’s system facilitation judgement and execution. And the results also provided secondary understanding towards smart system design for domestic communication and the development of WoZ system.
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Alberts, Philippus Petrus Hermanus. "The predictive validity of a selection battery for university bridging students in a public sector organisation / Philippus Petrus Hermanus Alberts." Thesis, North-West University, 2007. http://hdl.handle.net/10394/203.
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South Africa has faced tremendous changes over the past decade, which has had a huge impact
on the working environment. Organisations are compelled to address the societal disparities
between various cultural groups. However, previously disadvantaged groups have had to face
inequalities of the education system in the past, such as a lack of qualified teachers (especially in
the natural sciences), and poor educational books and facilities. This has often resulted in poor
grade 12 results. Social responsibility and social investment programmes are an attempt to rectify
these inequalities.
The objective of this research was to investigate the validity of the current selection battery of the
Youth Foundation Training Programme (YFTP) in terms of academic performance of the
students on the bridging programme. A correlational design was used in this research in order to
investigate predictive validity whereby data on the assessment procedure was collected at about
the time applicants were hired. The scores obtained from the Advanced Progressive Matrices
(APM), which forms part of the Raven's Progressive Matrices as well as the indices of the
Potential Index Battery (PIB) tests, acted as the independent variables, while the Matric results of
the participants served as the criterion measure ofthe dependent variable. The data was analysed
using the Statistical Package for Social Sciences (SPSS) software programme by means of
correlations and regression analyses.
The results showed that although the current selection battery used for the bridging students does
indeed have some value, it only appears to be a poor predictor of the Matric results. Individually,
the SpEEx tests used in the battery evidently were not good predictors of the Matric results,
while the respective beta weights of the individual instruments did confirm that the APM was the
strongest predictor.
Limitations were identified and recommendations for further research were discussed.Thesis (M.A. (Industrial Psychology))--North-West University, Potchefstroom Campus, 2007.
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McCoy, Kenneth D. "Reliability and construct validation of the neuropsychological symptom inventory." Virtual Press, 1993. http://liblink.bsu.edu/uhtbin/catkey/897481.
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The Neuropsychological Symptom Inventory (Dean, 1982) was developed to examine the neuropsychological symptomology presented by patients. It consists of 17 items that assess family/medical history that are responded to on a true/false format. In addition, there are 100 items which assess cognitive, emotional-social, sensory-perceptual, and behavioral symptomology, which are to be responded to on a Likert scale from 1 to 4.The present study investigated the validation of the Neuropsychological Symptom Inventory (NSI) (Dean, 1982). In a series of investigations the construct validity, internal consistency, and test-retest reliability of the NSI were examined. Such procedures were considered essential to investigate the utility of the NSI.The subjects numbered 826, for the factor analysis study and the internal consistency analysis, which consisted of college students from introductory psychology classes, and patients seen in both outpatient and inpatient settings. Additionally, there were 132 subjects who participated in the study for test-retest.Utilizing a varimax rotation, a four factor solution was obtained for the NSI, accounting for 47.9 % of the total variance. The results demonstrated high internal consistency for the NSI, with an overall Alpha coefficient of .967. In addition, moderate test-retest estimates were found, ranging from .3365 for Factor 3 to .6223 for Factor 4.These results showed strong psychometric properties for the NSI and suggest its use as a viable alternative to currently available measures. Results are discussed in terms of a need for further refinement of the NSI.Department of Educational Psychology
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Macri, Erin M. "Health outcome measures in an aging population : validity, reliability and interpretability." Thesis, University of British Columbia, 2013. http://hdl.handle.net/2429/44510.
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In Canada, older adults currently represent a record high proportion of about 15% of the population. Associated with aging is the increased prevalence of multiple morbidity, resulting in widely varied and complex health statuses among our aged. Identifying effective strategies to promote healthy aging and reduce comorbidity hinges on the ability to accurately measure health outcomes. This requires the use of valid and reliable instruments with associated reference statistics to enhance interpretability of test scores.
In Chapter 2, I present a validity study of a patient-reported outcome measure, the Patellofemoral Pain and Osteoarthritis Outcome Scale (PFOOS). The PFOOS is designed to evaluate symptoms relating to patellofemoral (PF) pain and osteoarthritis. I recruited 54 adults aged 18+ with peri- or retro-patellar pain for ≥ 3 months, rated ≥3/10 on a numeric pain scale, aggravated by PF-loading tasks (e.g. squats). People with diffuse knee pain, history of total knee or hip replacement, or severe knee trauma in the past year were excluded. Recruitment was done through adverts to staff & students at an Australian University. Participants completed paper & online versions of the PFOOS, Anterior Knee Pain Scale and SF-36, and repeated the PFOOS in 1-2 weeks. Analysis included internal consistency (Cronbach’s α), test-retest & alternate forms reliability (ICC), and construct validation (hypothesis testing). ICCs were ≥ 0.79, Cronbach’s α ≥ 0.61. The PFOOS performed largely as hypothesized. Overall, the PFOOS demonstrated good validity & reliability in this sample.
In Chapter 3, I report results of a cross-sectional study aimed to develop normative data for the de Morton Mobility Index (DEMMI). The DEMMI is a performance-based instrument that measures mobility across a spectrum from bed bound to functional independent mobility. A sample of 183 healthy, community-dwelling adults age 60+ were recruited. Mean DEMMI scores varied by age category, by living arrangement (independent vs. assisted living), and by use of mobility aid (p<0.05). Scores did not differ by sex (p=0.49) or falls history (p=0.21). Reference intervals were provided for individual and group comparison, to facilitate use of the DEMMI across the mobility spectrum in clinical and research settings.
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Lewen, Lisa Joy. "Students' self-efficacy in academics : issues in measurement, reliability, and validity." Thesis, Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/28750.
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Bryant, P. C. II. "Predictive validity and test-retest reliability of a measure of resilience." Thesis, Georgia Institute of Technology, 1995. http://hdl.handle.net/1853/28883.
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Van, Ineveld Cornelia. "Reliability and validity of the Predicting Health Needs of Seniors Survey." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0017/MQ53237.pdf.
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Roberts, Kirsten Colleen. "A validity and reliability study of the objective structured clinical examination /." Thesis, Connect to this title online; UW restricted, 2007. http://hdl.handle.net/1773/7727.
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King, Cheryl Denise 1964. "Grievance expression between coworkers: Reliability and validity of a measurement scale." Thesis, The University of Arizona, 1988. http://hdl.handle.net/10150/291923.
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This study reports the development of the Grievance Expression Scale (GES), a self-report measurement instrument of how organizational members express objections or complaints that they have about one another's behavior. The GES focuses on grievance expression as a precursor to conflict, and was developed in response to a lack of focus in current conflict instruments on conflict communication behavior and the influence of situational variables on that behavior. Additionally, the scale was derived from an interdisciplinary theoretical base, incorporating organizational conflict management research in communication, management, anthropology, and sociology. Four forms of the GES were administered to 830 currently employed adults waiting for jury duty and attending a city street fair. A four-factor scale was found, consisting of third party, confrontation, toleration, and discipline factors. Reliability, content, discriminant, and construct validity of the GES were supported. Further development should include tests of theory utilizing the GES.
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Campbell, Lindsey. "Test-retest reliability and further validity of the cognitive fusion questionnaire." Thesis, University of Edinburgh, 2010. http://hdl.handle.net/1842/5627.
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Introduction Acceptance and Commitment Therapy (ACT) has developed from traditional behavioural theory and seeks to reduce experiential avoidance and increase psychological flexibility. It is argued to be distinct from cognitive therapy and has been used to treat a variety of mental health problems in addition to chronic pain. ACT is linked to Relational Frame Theory and the research developments associated with this. One central process of ACT is termed ‘cognitive defusion’ and this process is used to encourage individuals to become less identified with the content of their cognitions. It is important to measure the extent to which individuals become ‘fused’ with their cognitions and a Cognitive Fusion Questionnaire (CFQ) has been developed to do this. The current studies build upon earlier research by subjecting the CFQ to further reliability and validity testing and assessment of its factor structure. Method A community sample was used throughout. The majority of participants took part online, however, some participants completed paper copies of the questionnaires. Study one had a sample of 47 and focused on construct validity of the CFQ where participants completed this measure and also measures of similar and distinct constructs. The other measures included a mindfulness questionnaire, a measure of experiential avoidance and a social desirability questionnaire. Study two concerned the test-retest reliability of the CFQ. There were 82 participants in this study who completed the CFQ on two occasions, one month apart. In this study, participants also completed a measure of anxiety and depression symptoms. Study three had 144 participants and assessed the factor structure of the CFQ. Results Results from study one indicate that the CFQ negatively correlates with a measure of mindfulness and positively correlates with a measure of experiential avoidance. This study also found that the CFQ has no relationship with a measure of conscious attempts to appear more desirable. Results from study two show that there is a strong positive correlation between scores on the CFQ at testing time one and testing time two. The CFQ was also found to correlate positively with a measure of anxiety and depression symptoms and to mediate the relationship between anxiety scores at testing time one and testing time two. Confirmatory factor analysis was used in study three to assess the factor structure of the CFQ and found a two factor model was the best fit for the data. Discussion The results are considered in relation to relevant research. Limitations of the current studies are assessed and possibilities for future research discussed. In particular, cognitive fusion is discussed in relation to anxiety and depression symptoms. The similarities between the CFQ and a measure of experiential avoidance are discussed and the different aspects of measurement are reflected upon.
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Swanson, Chad C. "Phonics curriculum-based measurement| An initial study of reliability and validity." Thesis, Alfred University, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=3619869.
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Early literacy and reading skills are both important predictors of an individual's future success in school and employment settings (Moats, 1999). Moreover, poor reading performance in elementary school has been associated with future conduct problems and juvenile delinquency by age fifteen (Williams, 1994). Research supports the notion that scientifically-based instruction provides all students with the best opportunity to prevent future academic, behavioral, and vocational problems associated with poor reading skill acquisition. The current study investigated the reliability and validity of a curriculum-based measure developed by the current author named Phonics Curriculum-Based Measurement (P-CBM). Two hundred and twenty five first grade students (117 males, 103 females) from two partnering school districts in rural western New York State were included in the study. The results indicated strong alternate forms reliability, inter-rater reliability, and concurrent validity. Upon further validation, P-CBM could be helpful in making screening, progress monitoring, or instructional planning decisions as well as providing pre-referral data to school psychologists who are conducting special education eligibility evaluations for a specific learning disability in reading.
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Depue, Susan M. "Psychometrics of the Missouri Student Survey examining validity, reliability and consent /." Diss., St. Louis, Mo. : University of Missouri--St. Louis, 2009. http://etd.umsl.edu/r4301.
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Stein, Dena. "Testing the reliability and validity of a brand-personality measurement tool." [Gainesville, Fla.] : University of Florida, 2004. http://purl.fcla.edu/fcla/etd/UFE0004886.
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