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.
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Showing 1 to 18 of 18 for “"Hierarchical linear models"”.
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The robustness of multilevel multiple imputation for handling missing data in hierarchical linear models
Missing data often present problems for credible statistical analyses. Luckily there are valid methods for dealing with missing data but the context in which the data are missing can impact the performance of these methods. Relatively little is known about the proper way to handle missing data in …
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A study of the predictive validity of the Kenya certificate of primary education examination : application of hierarchical linear models
… between KCPE and KCSE was determined by use of Hierarchical Linear Models (HLM). The influence of selected moderator variables on the relationship between KCPE and KCSE was investigated as well. These variables were age, gender, repetition of Standard 8 (i.e., writing KCPE more than once), and …
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Reporting Methods and Analyses in Higher Education Research: Hierarchical Linear and OLS Regression Models
… the methods and analyses of studies using hierarchical linear and OLS regression models. The study consisted of three parts: (a) a citation analysis of sources associated with methods of hierarchical linear models, (b) a content analysis of reporting practices associated with studies that …
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Novel Techniques for Quantifying Secondhand Smoke Diffusion into Children's Bedroom
… children’s health. The data was analyzed using hierarchical linear models to quantify the impact of intervention. The analysis finds that smoke air particles attenuated, on average, by 31.6% from the main room to the child’s room. Using hierarchical linear models, I also quantified the effect of …
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The Development of Science Identity: An Evaluation of Youth Development Programs at the Museum of Science and Industry, Chicago
… novel survey instrument and three focus groups. Hierarchical linear models found a positive relationship between time enrolled in the Science Minors program and the development of science identity. These analyses also point to a negative relationship between a student's desire to work and science …
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Opportunity to Learn, Engagement, and Science Achievement: Evidence form TIMSS 2003 Data
… analyzed using structuring equation modeling and hierarchical linear modeling. It was hypothesized that students' engagement in science is a mediator between opportunity to learn and science achievement. Moreover, class and school level variability was also examined since the organization of the …
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Special Interests and Climate Change: An Analysis of PAC Contributions to Members of the 111th U.S. House
… in the 111th U.S. House, logistic regression and hierarchical linear models are run to test a number of theoretically-derived hypotheses concerning the giving patterns of industry PACs versus environmental PACs. Results show that industry PACs follow pragmatic contribution patterns, which is …
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Graduation rates, success and high school quality.
… graduation. Ordinary least squares regression models, and hierarchical linear models are run to assess the relative effect of individual level variables and institutional level variables on students' undergraduate G.P.A. Binary logistic models and multinomial models are run to predict the …
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Efficacy of an Expectancy Challenge to Reduce Non-Prescribed Use of Stimulant Medications among College Students
… only (AO) condition. Results from two separate hierarchical linear models (HLM) indicated that there were no significant group differences between the EC and PE conditions with regards to change in expectancies (yslope = 0.19, t(43) = 1.97, p = 0.055) or consumption (yslope = 0.06, t(43) = 1.75, …
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Strategic management of hotel multinationals : environment, management, performance
… effects using a multilevel approach and hierarchical linear models.
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Examining Treatment Effects for Single-Case ABAB Designs through Sensitivity Analyses
… (Shadish et al., 2009). Recent advances in hierarchical linear models (HLM) allow for statistical analyses of treatment effects (Nagler, Rindskopf, & Shadish, 2008), thus making it possible to compare and contrast results from HLM and visual analyses to ascertain if the different methods …
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Too Far to Travel?: An Investigation of the Effects of Distance to Community-Based Treatment Programs for Juvenile Offenders
… By estimating the effects of not only linear and temporal distance, but also social distance, this analysis represents a valuable inquiry into the influence of space on juvenile offenders. Data on juvenile offenders adjudicated in Philadelphia's Family Court to attend community-based …
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Understanding the Leaking Pipeline: The Effects of Self-Efficacy and Student Choice on High School Mathematics Preparation and STEM Matriculation
… grouping policies on mathematics course taking. Hierarchical linear modeling (HLM) is employed to measure the effects of individual socio-economic level, race, gender, and coping resources within schools with different course selection and ability grouping policies on high school mathematics …
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Στατιστική ανάλυση της μαθητικής επίδοσης σε σχέση με σχολικά και κοινωνικά χαρακτηριστικά
… statistics, structural equation modeling and hierarchical linear models. A general conclusion is that students with good grades in previous years have increased chances of entering tertiary education. This is also affected by additional help at home whereas, at least at this stage, the effect …
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In good heart”: a study of the factors associated with health- related quality of life in adult congenital heart disease.
… between the four diagnostic groups in HRQoL. Hierarchical multiple regressions were employed to examine the factors associated with HRQoL. One hundred and eighty eight participants completed the longitudinal study (mean follow-up: 3.3 years). Changes in HRQoL and other psychosocial variables …
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Examining the Course of Cyclothymic Disorder and Comparing it to Dysthymic Disorder and Other Bipolar Spectrum Disorders in Children
… and global functional impairment. Independent hierarchical linear models were used to estimate fixed effects of time, mood diagnosis, their interaction, as well as other demographic effects for each primary outcome. Random intercept and slope effects were estimated in each model for time and …
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Predictors of Positive Change in Teaching Practices: A Quantitative Study
… modeling statistical methods (i.e., a two-level hierarchical linear model) to examine the Colombian and United Stated datasets. Before estimating the hierarchical linear models, I conducted an exploratory factor analysis (EFA) to identify the teacher-level variables. One follow-up EFA focused on …
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The Effects of Teacher-Student Racial and Ethnic Congruence on Student Math Learning
… and between our experimental and control group. Hierarchical Linear Modeling (HLM) analysis was used to investigate the differences in student mathematics performance, modeled as students nested in classrooms nested in schools.