Academic literature on the topic 'Quicksand Group'
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Journal articles on the topic "Quicksand Group"
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Russaw, Kimberly D. "Reading Rahab with Larsen: towards a New Direction in African American Biblical Hermeneutics." Horizons in Biblical Theology 42, no. 1 (April 30, 2020): 1–13. http://dx.doi.org/10.1163/18712207-12341400.
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Abstract This article explores what it might look like to read the biblical story of Rahab alongside literature from the African American literary canon. Specifically, the article examines the biblical account of Rahab found in Joshua 2 through the lens of identity and argues that, like characters in Harlem Renaissance author Nella Larsen’s novels Quicksand and Passing, Rahab is passing in Joshua 2. The characters Helga Crane from the novel Quicksand and Clare Kendry from the novel Passing serve as exemplars for passing (the act of presenting as of a different racial group than one’s own), and the markers of passing are mapped on to Rahab. This article is a womanist work, as it seeks to center the experiences of Black women.
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Averkina, Tatyana Ivanovna. "Geoecological aspects of civil engineering on the sands." RUDN Journal of Ecology and Life Safety 26, no. 3 (December 15, 2018): 346–53. http://dx.doi.org/10.22363/2313-2310-2018-26-3-346-353.
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Civil structures are often built on sands, which are widespread in the upper part of the geological section. These soils usually serve as a reliable basis for engineering structures, but under certain conditions can cause large complications and even endanger the life safety. Analysis and generalization of the construction experience allows us educe three groups of problems that need to be identified and addressed timely. Most of the problems are related to water-bearing sands. Water flows, breakthrough of pressure water and quicksand are very common phenomena that complicate the excavation of construction pits and the device of underground structures. To protect against groundwater is often used dewatering, which can disrupt the stability of the surrounding buildings in high-density urban development. The second group of problems is related to the process of suffusion. The most dangerous of its manifestations are suffusion failures, leading to emergency situations and sometimes to the destruction of structures. The third group of problems is caused by specific reaction of sands to dynamic impacts, in particular, by liquefaction of water-saturated sandy soils. The consequences of such a reaction can be very serious: the immersion of the structure in the ground, the uplift of piles or bridge supports, the float up of underground tanks, the uplift of liquefied soils from under the foundation until the formation of a building tilt or overturning of the structure.
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Gronchi, Alessandro, Ian Judson, Toshirou Nishida, Andres Poveda, Javier Martin, Peter Reichardt, Paolo G. Casali, Axel Le Cesne, Peter Hohenberger, and Jean-Yves Blay. "Adjuvant treatment of GIST with imatinib: Solid ground or still quicksand? A comment on behalf of the EORTC Soft Tissue and Bone Sarcoma Group, the Italian Sarcoma Group, the NCRI Sarcoma Clinical Studies Group (UK), the Japanese Study Group on GIST, the French Sarcoma Group and the Spanish Sarcoma Group (GEIS)." European Journal of Cancer 45, no. 7 (May 2009): 1103–6. http://dx.doi.org/10.1016/j.ejca.2009.02.009.
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Henry, James A., Garnett McMillan, Serena Dann, Keri Bennett, Susan Griest, Sarah Theodoroff, Shien Pei Silverman, Susan Whichard, and Gabrielle Saunders. "Tinnitus Management: Randomized Controlled Trial Comparing Extended-Wear Hearing Aids, Conventional Hearing Aids, and Combination Instruments." Journal of the American Academy of Audiology 28, no. 06 (June 2017): 546–61. http://dx.doi.org/10.3766/jaaa.16067.
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Background: Whereas hearing aids have long been considered effective for providing relief from tinnitus, controlled clinical studies evaluating this premise have been very limited. Purpose: The purpose of this study was to systematically determine the relative efficacy of conventional receiver-in-the-canal hearing aids (HA), the same hearing aids with a sound generator (HA+SG), and extended-wear, deep fit hearing aids (EWHA), to provide relief from tinnitus through a randomized controlled trial. Each of these ear-level devices was a product of Phonak, LLC. Research Design: Participants were randomized to HA, HA+SG, or EWHA and wore bilaterally fit devices for about 4 months. Fittings, adjustments, and follow-up appointments were conducted to comply with company guidelines and to ensure that all participants attended appointments on the same schedule. At 4–5 months, participants returned to complete final outcome measures, which concluded their study participation. Study Sample: Participants were 55 individuals (mean age: 63.1 years) with mild to moderately-severe hearing loss who: (a) did not currently use hearing aids; (b) reported tinnitus that was sufficiently bothersome to warrant intervention; and (c) were suitable candidates for each of the study devices. Data Collection and Analysis: The primary outcome measure was the Tinnitus Functional Index (TFI). Secondary outcome measures included hearing-specific questionnaires and the Quick Speech in Noise test (QuickSIN). The goal of the analysis was to evaluate efficacy of the EWHA and HA+SG devices versus the HA standard device. Results: There were 18 participants in each of the HA and EWHA groups and 19 in the HA+SG group. Gender, age, and baseline TFI severity were balanced across treatment groups. Nearly all participants had a reduction in tinnitus symptoms during the study. The average TFI change (improvement) from baseline was 21 points in the HA group, 31 points in the EWHA group, and 33 points in the HA+SG group. A “clinically significant” improvement in reaction to tinnitus (at least 13-point reduction in TFI score) was seen by 67% of HA, 82% of EWHA, and 79% of HA+SG participants. There were no statistically significant differences in the extent to which the devices reduced TFI scores. Likewise, the hearing-specific questionnaires and QuickSIN showed improvements following use of the hearing aids but these improvements did not differ across device groups. Conclusions: There is insufficient evidence to conclude that any of these devices offers greater relief from tinnitus than any other one tested. However, all devices appear to offer some improvement in the functional effects of tinnitus.
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Rahbar, Nariman, Karim Sattari, Mohsen Ahadi, and Hamid Haghani. "The effects of a temporal processing-based auditory training program on the auditory skills of elderly users of hearing aids: a study protocol for a randomized clinical trial." F1000Research 9 (May 22, 2020): 425. http://dx.doi.org/10.12688/f1000research.22757.1.
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Background: One of the most important effects of age-related declines in neural processing speed is the impairment of temporal resolution, which leads to difficulty hearing in noisy environments. Since the central auditory system is highly plastic, by designing and implementing a temporal processing-based auditory training program, we can help the elderly improve their listening skills and speech understanding in noisy environments. Methods: In the first phase of this research, based on the theoretical framework of temporal processing, an auditory training solution was developed as a software program. In the second phase, which will be described in the present study, the effects of the designed program on the listening skills of the elderly users of hearing aids (age: 60-75 years) will be studied in the control and intervention groups. In the intervention group, the auditory training program will be implemented for three months (36 sessions), and the results of central tests (GIN, DPT, QuickSIN) and the electrophysiological speech-ABR test will be compared in both groups before, immediately and one month after the intervention. Discussion: Since temporal processing is not sufficient in auditory training programs for the elderly with hearing impairments, implementation of a temporal processing-based auditory training program can reduce hearing problems in noisy environments among elderly users of hearing aids. Trial registration: This study was registered as a clinical trial in the Iranian Registry of Clinical Trials (IRCT20190921044838N1) on December 25, 2019.
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Sattari, Karim, Nariman Rahbar, Mohsen Ahadi, and Hamid Haghani. "The effects of a temporal processing-based auditory training program on the auditory skills of elderly users of hearing aids: a study protocol for a randomized clinical trial." F1000Research 9 (July 6, 2020): 425. http://dx.doi.org/10.12688/f1000research.22757.2.
Full textAbstract:
Background: One of the most important effects of age-related declines in neural processing speed is the impairment of temporal resolution, which leads to difficulty hearing in noisy environments. Since the central auditory system is highly plastic, by designing and implementing a temporal processing-based auditory training program, we can help the elderly improve their listening skills and speech understanding in noisy environments. Methods: In the first phase of this research, based on the theoretical framework of temporal processing, an auditory training solution was developed as a software program. In the second phase, which will be described in the present study, the effects of the designed program on the listening skills of the elderly users of hearing aids (age: 60-75 years) will be studied in the control and intervention groups. In the intervention group, the auditory training program will be implemented for three months (36 sessions), and the results of central tests (GIN, DPT, QuickSIN) and the electrophysiological speech-ABR test will be compared in both groups before, immediately and one month after the intervention. Discussion: Since temporal processing is not sufficient in auditory training programs for the elderly with hearing impairments, implementation of a temporal processing-based auditory training program can reduce hearing problems in noisy environments among elderly users of hearing aids. Trial registration: This study was registered as a clinical trial in the Iranian Registry of Clinical Trials (IRCT20190921044838N1) on December 25, 2019.
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McClaskey, Carolyn M., James W. Dias, and Kelly C. Harris. "Sustained envelope periodicity representations are associated with speech-in-noise performance in difficult listening conditions for younger and older adults." Journal of Neurophysiology 122, no. 4 (October 1, 2019): 1685–96. http://dx.doi.org/10.1152/jn.00845.2018.
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Temporal modulations are an important part of speech signals. An accurate perception of these time-varying qualities of sound is necessary for successful communication. The current study investigates the relationship between sustained envelope encoding and speech-in-noise perception in a cohort of normal-hearing younger (ages 18–30 yr, n = 22) and older adults (ages 55–90+ yr, n = 35) using the subcortical auditory steady-state response (ASSR). ASSRs were measured in response to the envelope of 400-ms amplitude-modulated (AM) tones with 3,000-Hz carrier frequencies and 80-Hz modulation frequencies. AM tones had modulation depths of 0, −4, and −8 dB relative to m = 1 ( m = 1, 0.631, and 0.398, respectively). The robustness, strength at modulation frequency, and synchrony of subcortical envelope encoding were quantified via time-domain correlations, spectral amplitude, and phase-locking value, respectively. Speech-in-noise ability was quantified via the QuickSIN test in the 0- and 5-dB signal-to-noise (SNR) conditions. All ASSR metrics increased with increasing modulation depth and there were no effects of age group. ASSR metrics in response to shallow modulation depths predicted 0-dB speech scores. Results demonstrate that sustained amplitude envelope processing in the brainstem relates to speech-in-noise abilities, but primarily in difficult listening conditions at low SNRs. These findings furthermore highlight the utility of shallow modulation depths for studying temporal processing. The absence of age effects in these data demonstrate that individual differences in the robustness, strength, and specificity of subcortical envelope processing, and not age, predict speech-in-noise performance in the most difficult listening conditions. NEW & NOTEWORTHY Failure to correctly understand speech in the presence of background noise is a significant problem for many normal-hearing adults and may impede healthy communication. The relationship between sustained envelope encoding in the brainstem and speech-in-noise perception remains to be clarified. The present study demonstrates that the strength, specificity, and robustness of the brainstem’s representations of sustained stimulus periodicity relates to speech-in-noise perception in older and younger normal-hearing adults, but only in highly challenging listening environments.
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Goorts, Kaat, Charlotte Vanovenberghe, Charlotte Lambreghts, Eline Bruneel, Dorina Rusu, Marc Du Bois, Sofie Vandenbroeck, and Lode Godderis. "Assessment of long-term sickness absence: content and face validity of a new questionnaire based on qualitative data from nominal groups." BMC Medical Research Methodology 19, no. 1 (November 8, 2019). http://dx.doi.org/10.1186/s12874-019-0852-3.
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Abstract Background Increasing rates of long-term sickness absence are a worldwide problem. Belgium is the first country in Europe that aims to screen its entire population of sick leavers (sick leave > 6 weeks) for the risk of long-term sickness absence in order to focus resources on the high-risk group and to provide adequate return-to-work support. Our aim was to investigate content and face validity of a newly designed questionnaire (Quickscan) using item prioritization of patients and professionals in the field of long-term sickness absence. This questionnaire was developed based on a review of the literature and existing instruments (Goorts et al, J Public Health Res 7:1419, 2018). Methods Qualitative data were collected using the nominal group technique. The data were gathered exploring factors that influence return-to work restrictions or opportunities. Results Participants indicated 20 out of 21 of the questionnaire factors as important reasons that might influence the return-to-work process. Additionally, 16 factors were discussed that were not yet included in the Quickscan but that might provide useful information on return-to-work issues, according to the participants. In the prioritization of items, we found considerable diversity among participants. Conclusions Our findings demonstrate the validity of the Quickscan items to ask patients about important return-to-work barriers or opportunities. However, additional factors were identified that may improve the assessment of risk for long-term sickness absence.
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Verweij, Peter, Anouk Cormont, Michiel van Eupen, Manuel Winograd, and Jorgelina Hardoy. "Participatory Modeling With QUICKScan to Shape Sustainable Urban Development." Frontiers in Environmental Science 8 (December 18, 2020). http://dx.doi.org/10.3389/fenvs.2020.550799.
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Current spatial planning methods are often technocratic, slow, fail to use the right kind of evidence or do not involve (all) the actors needed to create support and consensus. We present a method that facilitates the use of evidence (data) in participatory spatial planning processes, resulting in a joint understanding of the most important causalities, as a means to build capacity across actors. QUICKScan is a participatory modeling method that links stakeholder- and decision maker knowledge and preferences to available spatial and spatio-statistical data, and is designed for group use in a multi-stakeholder workshop setting. We describe four urban QUICKScan applications, that vary in objective, scale and institutional setting. The most critical in organizing a QUICKScan session is to: (i) include crucial participants in a single plenary workshop (decision maker, local data expert, and local thematic experts), (ii) create an open atmosphere in which each and everyone's opinion is treated equally, (iii) dialogue is more important than an abundance of detailed spatial data, and (iv) start with simple modeling rules and iterate often while expanding the set of rules and trying out alternatives.
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Humes, Larry E. "Factors Underlying Individual Differences in Speech-Recognition Threshold (SRT) in Noise Among Older Adults." Frontiers in Aging Neuroscience 13 (July 5, 2021). http://dx.doi.org/10.3389/fnagi.2021.702739.
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Many older adults have difficulty understanding speech in noisy backgrounds. In this study, we examined peripheral auditory, higher-level auditory, and cognitive factors that may contribute to such difficulties. A convenience sample of 137 volunteer older adults, 90 women, and 47 men, ranging in age from 47 to 94 years (M = 69.2 and SD = 10.1 years) completed a large battery of tests. Auditory tests included measures of pure-tone threshold, clinical and psychophysical, as well as two measures of gap-detection threshold and four measures of temporal-order identification. The latter included two monaural and two dichotic listening conditions. In addition, cognition was assessed using the complete Wechsler Adult Intelligence Scale-3rd Edition (WAIS-III). Two monaural measures of speech-recognition threshold (SRT) in noise, the QuickSIN, and the WIN, were obtained from each ear at relatively high presentation levels of 93 or 103 dB SPL to minimize audibility concerns. Group data, both aggregate and by age decade, were evaluated initially to allow comparison to data in the literature. Next, following the application of principal-components factor analysis for data reduction, individual differences in speech-recognition-in-noise performance were examined using multiple-linear-regression analyses. Excellent fits were obtained, accounting for 60–77% of the total variance, with most accounted for by the audibility of the speech and noise stimuli and the severity of hearing loss with the balance primarily associated with cognitive function.
Dissertations / Theses on the topic "Quicksand Group"
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Botha, An-Marie. "Development of a corporate strategy for the Quicksand Group." Thesis, Stellenbosch : University of Stellenbosch, 2010. http://hdl.handle.net/10019.1/8576.
Full textBooks on the topic "Quicksand Group"
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Mitchell, Koritha. From Slave Cabins to the White House. University of Illinois Press, 2020. http://dx.doi.org/10.5622/illinois/9780252043321.001.0001.
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This book argues for a new reading practice. Rather than approach art and literature from marginalized groups as examples of protest or as responses to “dominant” culture, it demonstrates the power of reading through the lens of achievement, using case studies from black expressive culture. Even while bombarded with racist and sexist violence, African Americans remain focused on defining, redefining, and pursuing success. By examining canonical examples of black women’s cultural production, this study reveals how African Americans keep each other oriented toward accomplishment through an ongoing, multivalent community conversation. Analyzing widely taught and discussed works from the 1860s to the present (via Michelle Obama’s public persona), the book traces “homemade citizenship”—the result of practices of making-oneself-at-home, practices of affirming oneself while knowing violence will answer one’s achievements and assertions of belonging. The texts examined include Harriet Jacobs’s Incidents in the Life of a Slave Girl (1861), Elizabeth Keckley’s Behind the Scenes; Or, Thirty Years a Slave and Four Years in the White House (1868), Frances E. W. Harper’s Iola Leroy (1892), Pauline Hopkins’s Contending Forces (1900), Nella Larsen’s Quicksand (1928), Zora Neale Hurston’s Their Eyes Were Watching God (1937), Lorraine Hansberry’s A Raisin in the Sun (1959), Alice Childress’s Wine in the Wilderness (1969), Octavia Butler’s Kindred (1979), Toni Morrison’s Beloved (1987), and Michelle Obama’s first lady persona. [220 of 225 words]
Book chapters on the topic "Quicksand Group"
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"Open the gate." In Stirring the Pot of Haitian History, edited by Mariana Past and Benjamin Hebblethwaite, 61–74. Liverpool University Press, 2021. http://dx.doi.org/10.3828/liverpool/9781800859678.003.0005.
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This chapter opens with Sonthonax’s decree of 1793 that emancipated the enslaved people of Saint-Domingue. French revolutionary Léger Félicité Sonthonax brought a Civil Commission to Saint-Domingue in 1792 along with 6,000 soldiers. Their mission was to convince white landowners to form a coalition with mulatto landowners in order to crush the rebellion of enslaved people and preserve the colonial system. This delegation was fraught with contradictions as it was a microcosm of the conflict that had engulfed France: the struggle between aristocrats (the king, military leaders and Church leaders, and powerful landowners) and the bourgeoisie (businessmen and factory owners). Saint-Domingue’s social fissures were complex, with six major groups vying for power: the partisans of the new French government; the aristocrats; the freedmen, mixed race and black; the small whites; the leaders of the rebel slaves; and the masses of enslaved people. Trouillot explores the quicksand of shifting alliances and feuding rivalries during this early period of the Haitian Revolution. The white aristocrats refused to ally with the landowning and slave-holding mulatto and black freedmen. The new French government formed a coalition with the freedmen. The small whites resisted and were crushed by the new French government troops. The aristocrats turned to England and Spain for military assistance against the new French government, and these nations invaded and occupied parts of Saint-Domingue. To gain the upper hand, Sonthonax emancipated enslaved people willing to fight with the new French government in June 1793. Days afterward 10,000 French colonists fled the colony by ship. Sonthonax attempted to recruit the leaders of the rebel slaves; however, they were already fighting in the Spanish army and enjoying their freedom—some were even trafficking slaves. By emancipating the enslaved population in August of 1793, Sonthonax lost the support of the slave-owning aristocrats and freedmen, who were the principle power holders, and he was unable to recruit the leaders of the rebel slaves who saw no advantage in collaborating with an army that was losing ground. Having lost control of the traditional alliances, Sonthonax had overcorrected and found himself leaning upon those who had nothing to lose, the enslaved population.