Factor analysis is a statistical procedure that can be used to:
Correct answer: D. identify clusters of closely related test items
- A. evaluate how accurately test items predict a criterion behavior.
- B. derive IQ scores by comparing mental age with chronological age.
- C. extract test norms from a standardization sample.
- D. identify clusters of closely related test items
Explanation
Factor analysis examines correlations among test items and groups items that measure related abilities into clusters or factors. Predicting a criterion is a validity procedure, not the primary purpose of factor analysis.
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