Use of Restricted Item Response Theory Models for Examining the Stability of Item Parameter Estimates over Time.

Stone, Clement A.; Lane, Suzanne

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Peer reviewed

ERIC Number: EJ429440

Record Type: Journal

Publication Date: 1991

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ISSN: ISSN-0895-7347

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Use of Restricted Item Response Theory Models for Examining the Stability of Item Parameter Estimates over Time.

Stone, Clement A.; Lane, Suzanne

Applied Measurement in Education, v4 n2 p125-41 1991

A model-testing approach for evaluating the stability of item response theory item parameter estimates (IPEs) in a pretest-posttest design is illustrated. Nineteen items from the Head Start Measures Battery were used. A moderately high degree of stability in the IPEs for 5,510 children assessed on 2 occasions was found. (TJH)

Descriptors: Comparative Testing, Compensatory Education, Computer Assisted Testing, Early Childhood Education, Estimation (Mathematics), Item Response Theory, Mathematics Tests, Preschool Children, Preschool Tests, Pretests Posttests, Test Reliability

Publication Type: Journal Articles; Reports - Evaluative

Education Level: N/A

Audience: N/A

Language: English

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