Robustness of Marginal Maximum Likelihood Estimation in the Rasch Model.

Zwinderman, Aeilko; van den Wollenberg, Arnold L.

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Peer reviewed

ERIC Number: EJ414281

Record Type: Journal

Publication Date: 1990

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ISSN: ISSN-0146-6216

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Robustness of Marginal Maximum Likelihood Estimation in the Rasch Model.

Zwinderman, Aeilko; van den Wollenberg, Arnold L.

Applied Psychological Measurement, v14 n1 p73-81 Mar 1990

Simulation studies (N=4,000 simulees) examined the effect of misspecification of the latent ability distribution (theta) on the accuracy and efficiency of marginal maximum likelihood (MML) item parameter estimates and on MML statistics to test sufficiency and conditional independence. Results were compared to those of the conditional maximum likelihood method. (TJH)

Descriptors: Comparative Analysis, Computer Simulation, Estimation (Mathematics), Item Response Theory, Maximum Likelihood Statistics, Methods Research, Robustness (Statistics)

Publication Type: Journal Articles; Reports - Research

Education Level: N/A

Audience: N/A

Language: English

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