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 11 of 11 for “"Nested data"”.
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Impact of Ignoring Nested Data Structures on Ability Estimation
… that intentional or unintentional clustering of data elements typically results in the inflation of the estimated standard error of fixed parameter estimates. This study is unique in that it examines the impact of multilevel data structures on subject ability which are random effect predictions …
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Impacts of Ignoring Nested Data Structure in Rasch/IRT Model and Comparison of Different Estimation Methods
… involves investigating the impacts of ignoring nested data structure in Rasch/1PL item response theory (IRT) model via a two-level and three-level hierarchical generalized linear model (HGLM). Currently, Rasch/IRT models are frequently used in educational and psychometric researches for data …
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Testing Measurement Invariance in Multilevel Data with Unequal Cross-Level Factor Structures
… 2008). With the prevalence of multilevel data in educational research (e.g., students nested within schools), establishing MI across multiple groups or waves of nested data has brought increasing attention. Two popular techniques for the test of multilevel MI include the multiple-group …
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Reporting Methods and Analyses in Higher Education Research: Hierarchical Linear and OLS Regression Models
… who have used OLS regression techniques on nested data. When possible, results were compared to similar research. The data for this research was drawn from Journal of Higher Education, Review of Higher Education, Journal of College Student Development, and Research in Higher …
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Some New Estimator in Linear Mixed Models with Measurement error
… broad range of structures including longitudinal data, repeated measures data (including cross-over studies), growth and dose-response curve data, clustered (or nested) data, multivariate data, and correlated data. In many practical situations, the observation of variables is subject to …
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A Cross-National Study of School Violence
… International Math and Science Studies (TIMSS) data augmented with data from UN Human Development Reports, UN Demographic Yearbook, CIA World Factbook and the World Health Organization Mortality Database, I determine the predictors of school violence at the school and national levels to …
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An evaluation of parameter estimation when using multilevel structural equation modeling for mediation analysis
Handling of clustered or nested data structures requires the use of multilevel modeling techniques. One such multilevel modeling technique is multilevel structural equation modeling (MLSEM). While estimation of indirect effect parameters and standard errors based on the conventional multilevel …
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Curriculum Track And Its Influences On Predicting High School Dropout Likelihood
… Generalized Linear Modeling (HGLM) due to the nested data structure of Education Longitudinal Study of 2002 (ELS). Variables included were academic background, academic and career aspiration, school-sponsored activity participation, school minority composition, school average student …
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Accounting for structure in education assessment data using hierarchical models
… and control over relevant factors.</p> <p>Data collected to compare teaching methods often consists of student level responses, where students are nested within a class, which is typically the experimental unit. Further, for studies in which the scope of inference exceeds individual schools …
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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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The Louisiana Recovery School District's long term relationship to student dropout and achievement
… these influences over time (2007-2010). The data collected were derived from Louisiana’s Educational Assessment Program (LEAP) and quantitative data on dropout status from the Louisiana Department of Education Student Information System (SIS) database. To explore the RSD’s relationship to …