Obtaining Maximum Likelihood Trait Estimates from Number-Correct Scores for the Three-Parameter Logistic Model.

Yen, Wendy M.

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Peer reviewed

ERIC Number: EJ300809

Record Type: Journal

Publication Date: 1984

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Obtaining Maximum Likelihood Trait Estimates from Number-Correct Scores for the Three-Parameter Logistic Model.

Yen, Wendy M.

Journal of Educational Measurement, v21 n2 p93-111 Sum 1984

A procedure for obtaining maximum likelihood trait estimates from number-correct (NC) scores for the three-parameter logistic model is presented. It produces an NC score to trait estimate conversion table. Analyses in the estimated true score metric confirm the conclusions made in the trait metric. (Author/DWH)

Descriptors: Achievement Tests, Error of Measurement, Estimation (Mathematics), Latent Trait Theory, Mathematical Models, Maximum Likelihood Statistics, Scores, Scoring, Statistical Analysis, True Scores

Publication Type: Reports - Research; Journal Articles

Education Level: N/A

Audience: Researchers

Language: English

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