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Item Analysis

Approaches to determine how well multiple-choice or true-false items are performing on educational or psychological assessments make up a suite of tools referred to as item analysis. Item analysis is an examination of item-level properties, and the tools are intended to aid in building assessments with an adequate level of reliability, contributing to the validity of inferences made from an assessment. The material presented here provides a basic overview of item analysis. Topics addressed include the purpose of item analysis, users of item analysis, the techniques involved, and interpretation of item analysis results.

What Is Item Analysis?

Educational and psychological assessments are used to measure a broad range of knowledge, skills, abilities (KSA), and other constructs. These assessments are used for both high-stakes and low-stakes decisions. ...

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