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Stefan Lorenz – ProQuest LLC, 2024
This dissertation develops and applies sophisticated Item Response Theory (IRT) methods to address fundamental measurement challenges in cognitive testing, focusing on the Armed Services Vocational Aptitude Battery (ASVAB) data from the National Longitudinal Survey of Youth (NLSY). The first chapter implements a confirmatory multidimensional IRT…
Descriptors: Human Capital, Item Response Theory, Vocational Aptitude, Armed Forces
Gray, James J. – ProQuest LLC, 2010
The purpose of this study was to answer the question: Are principals good at identifying effective teachers? Some studies have suggested they are not, but the evidence is not consistent. It is troubling that research results are inconsistent regarding principals' abilities to identify effective teachers. Why is there a disconnect between…
Descriptors: Principals, Teacher Evaluation, Identification, Teacher Effectiveness