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Exploratory Factor Analysis with Small Sample Sizes
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de Winter, J. C. F.; Dodou, D.; Wieringa, P. A. – Multivariate Behavioral Research, 2009
Exploratory factor analysis (EFA) is generally regarded as a technique for large sample sizes ("N"), with N = 50 as a reasonable absolute minimum. This study offers a comprehensive overview of the conditions in which EFA can yield good quality results for "N" below 50. Simulations were carried out to estimate the minimum required "N" for different…
Descriptors: Sample Size, Factor Analysis, Enrollment, Evaluation Methods
Evaluating the Internal Structure of the Eysenck Personality Questionnaire: Objective Criteria.
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Helmes, Edward – Multivariate Behavioral Research, 1989
Objective criteria for evaluating the Eysenck Personality Inventory's internal structure are discussed. An approach based on targeted rotations and the test's scoring key is proposed as a means of providing common criteria. Data from earlier structure and test results for 195 undergraduates support the utility of 3 criteria developed. (SLD)
Descriptors: Comparative Analysis, Evaluation Criteria, Evaluation Methods, Factor Structure
The Maslach Burnout Inventory: Validating Factorial Structure and Invariance across Intermediate, Secondary, and University Educators.
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Byrne, Barbara M. – Multivariate Behavioral Research, 1991
The factorial validity of the Maslach Burnout Inventory (MBI) and the equivalence of factorial measurements and structure across groups were studied for 163 intermediate-grade teachers, 162 secondary school teachers, and 218 university teachers in Canada. Reasons why the MBI may not be appropriate for university educators are discussed. (SLD)
Descriptors: Comparative Testing, Elementary School Teachers, Elementary Secondary Education, Emotional Adjustment