A statistical procedure that identifies clusters of related test items that seem to tap a common ability is called

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Factor analysis is a statistical procedure that identifies clusters of related test items that seem to tap a common ability or underlying factor. Standardization refers to creating a consistent format for administering and scoring a test, reliability assessment involves analyzing the consistency and stability of test scores over time, and validation involves evaluating the appropriateness and effectiveness of using a test for a particular purpose.

A Statistical Procedure That Identifies Clusters of Related Test Items