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Rhemtulla, Mijke; Brosseau-Liard, Patricia E.; Savalei, Victoria – Psychological Methods, 2012
A simulation study compared the performance of robust normal theory maximum likelihood (ML) and robust categorical least squares (cat-LS) methodology for estimating confirmatory factor analysis models with ordinal variables. Data were generated from 2 models with 2-7 categories, 4 sample sizes, 2 latent distributions, and 5 patterns of category…
Descriptors: Factor Analysis, Computation, Simulation, Sample Size
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Dorman, Jeffrey P. – Learning Environments Research, 2008
This article describes the validation of scores on actual and preferred forms of the What Is Happening In this Class? (WIHIC). The WIHIC is a 56-item instrument that assesses seven classroom environment dimensions: Student Cohesiveness, Teacher Support, Involvement, Investigation, Task Orientation, Cooperation and Equity. A sample of 978 secondary…
Descriptors: Multitrait Multimethod Techniques, Construct Validity, Foreign Countries, Psychometrics