Reading Your Item Analysis Report: Item Is Making a Limited Contribution to the Measurement Capacity of the Test

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Following an exam administration, Meazure Learning (formerly Yardstick) often produces an item analysis report from their proprietary software, COGs. The item analysis report provides information about each item in terms of its difficulty, discrimination, and the distribution of responses across alternatives. This white paper focuses on understanding what it means when a COGs item analysis report reads: “Item is making a limited contribution to the measurement capability of the test.”