item analysis

a set of procedures used to evaluate the statistical merits of individual items comprising a psychological measure or test. These procedures may be used to select items for a test from a larger pool of initial items or to evaluate items on an established test. A variety of different statistics may be computed in item analyses, including difficulty values, indexes of discrimination, interitem correlations, and item discriminabilities.

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Psychology term of the day

May 9th 2024

ChEI

abbreviation for cholinesterase inhibitor.