Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 17 of 17 for “"Longitudinal patterns"”.
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Analyzing longitudinal patterns of river metabolism in five distinct rivers
… This analysis is a data synthesis to examine longitudinal coherence in productivity patterns and identify the strongest controls that disrupt coherence. I find that between discharge, dissolved oxygen, and metabolism, metabolism is the least predictable variable going downstream regardless of …
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Longitudinal Patterns of Community Structure for Stream Fishes in a Virginia Tailwater
… consistent fish assemblages. Distributional patterns suggested a strong response to thermal gradients and presence of tributaries. I concluded that temperature and tributary location directly influence fish community patterns in the Smith River and that the patterns are persistent over space …
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Sociodemographic risk factors of glycemic control for youth with T1D: Cross-sectional and longitudinal patterns of HbA1c
Individual growth curve (IGC) modeling evaluated longitudinal trajectories of glycemic control and diabetes care of youth with Type 1 Diabetes (T1D) over three years. IGC modeling allowed comparison of confounded sociodemographic predictors of disease outcomes that included ethnicity, SES, parent …
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Examining Longitudinal Patterns of Psychotropic Medication Use by Individuals with Intellectual Disabilities Relocating from Institutions to Community Settings
… changes in psychotropic medication usage longitudinally across three points in time. Variables, including adaptive functioning, challenging behaviour, and health and mental health status, were investigated as potential predictors of psychotropic medication usage. Health variables and …
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Characterization, drivers, and outcomes of picky eating behavior in the STRONG Kids 2 longitudinal birth cohort study
… its mitigation is complex. There has been little longitudinal research on the development and outcomes of picky eating behavior in young children. The Synergistic Theory Research Obesity and Nutrition Group (STRONG) Kids 2 (SK2) longitudinal birth cohort study is examining the various predictors …
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Personality trait development and social investment in work
A three-year longitudinal study of actively employed individuals (N = 391) was used to test the relationship between social investment at work, which is the act of cognitively and emotionally committing to one‘s job or career, and both cross-sectional and longitudinal patterns of personality trait …
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Continuity and change in congressional campaigns
… scholarship of congressional campaigns with a longitudinal examination of how the tone and content of televised advertisements in congressional campaigns unfold across the careers of members of Congress. In their use of negative, partisan, and policy rhetoric in their ad airings - I find …
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A Longitudinal Study of Adolescent Trait Impulsivity, Cognitive Flexibility, and Risk-Seeking: Associations with Co-Occurring Alcohol Use and Social Anxiety in Young Adulthood
… risk-seeking participants had lower alcohol use. Longitudinal patterns of high attentional impulsivity during adolescence into young adulthood predicated later social anxiety, whereas non-planning and motor impulsivity did not. Linear regression analyses indicated that lower cognitive flexibility …
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Maternal Eating Disorders: Effects on Pregnancy, Infant and Child Development
… and growth in their children. However, few large longitudinal investigations have been conducted. Women with ED have an increased risk for adverse obstetric outcomes; one proposed pathway is via elevated psychopathology during pregnancy, and consequently foetal overexposure to cortisol and …
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Divine providence and epidemic cholera : a contribution to the study of secularization of thought in nineteenth century England
… facilitated investigation of cross-sectional and longitudinal patterns in religious attitudes. It was hypothesised that changing ideas about the nature and extent of providential action in relation to epidemic disease could provide an index of the process of secularization of thought, and thus …
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The predictors and patterns of alcohol use in HIV positive women during their postpartum period, and how these impact viral load.
… few studies have attempted to understand the longitudinal patterns and predictors of alcohol use when HIV-positive status intersects with the postpartum period. We examined the patterns of alcohol consumption during the postpartum period among HIV-positive women from Gugulethu, Cape Town; …
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Substance Abuse, Marginalization, and Homelessness: Bayesian Perspectives on a Persisting Problem
… aims of this project were to 1) describe longitudinal patterns of substance abuse and marginalization in a homeless population, 2) examine the combined effects of substance abuse and marginalization on housing status changes over time, and 3) investigate how marginalization and substance …
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Rater Drift in Constructed Response Scoring via Latent Class Signal Detection Theory and Item Response Theory
… takes the test. This study examines how longitudinal patterns or changes in rater behavior affect model-based classification accuracy. Rater drift refers to changes in rater behavior across different test administrations. Prior research has found evidence of drift. Rater behavior in CR …
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Spatiotemporal Variability in the Macroinvertebrate Community of a Small Coastal California Stream, Little Creek, Davenport, California
… (ANOVA) procedures were performed to describe longitudinal patterns in community composition and determine the significance of collected environmental variables as predictors of community structure. The majority of taxa collected belonged to the orders Ephemeroptera, Plecoptera, Trichoptera, …
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The relation between sex, age and vascular function in the Framingham Heart Study
… men and women. To investigate the sex-specific patterns of this association, we utilized non-invasive vascular function testing in the Framingham Heart Study. We measured brachial artery flow-mediated vasodilation, a measure of conduit artery function, and hyperemic flow velocity, a measure of …
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Spatial habitat variation in a Great Plains river: effects on the fish assemblage and food web structure
… show changes in species presence and composition longitudinally within the river. Also, reaches directly above Bowersock Dam in Lawrence, Kansas and below the Johnson County Weir, near Kansas City, Kansas had low percent similarity compared to other reaches, suggesting the dam and the weir affect …
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Race, class and gender in engineering education: A quantitative investigation of first year enrollment
… in engineering. In the second study, I examine longitudinal patterns of race, gender, and intersectional combinations of race and gender in enrollments of students in first year engineering programs across the United States (US). Using enrollment data from the American Society of Engineering …