Calibrating Item Difficulty as the Basis of Prescriptive Test Theory.

O'Brien, Michael L.

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Peer reviewed

ERIC Number: EJ335308

Record Type: Journal

Publication Date: 1986

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Calibrating Item Difficulty as the Basis of Prescriptive Test Theory.

O'Brien, Michael L.

Studies in Educational Evaluation, v12 n1 p5-29,59-69 1986

A test score can be used for individual instructional diagnosis after determining whether: (1) difficulty of the test items was consistent with the complexity of the content measured; (2) items measuring the same underlying process were about equally difficult; and (3) partial credit scoring would increase the reliability of the diagnosis. (LMO)

Descriptors: Behavioral Objectives, Difficulty Level, Educational Diagnosis, Error Patterns, Intermediate Grades, Item Analysis, Mastery Learning, Mathematics Skills, Scoring, Test Items, Test Theory

Publication Type: Journal Articles; Reports - Research

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Language: English

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