Bayesian Estimation in the Three-Parameter Logistic Model.

Swaminathan, Hariharan; Gifford, Janice A.

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Peer reviewed

ERIC Number: EJ348381

Record Type: Journal

Publication Date: 1986

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Bayesian Estimation in the Three-Parameter Logistic Model.

Swaminathan, Hariharan; Gifford, Janice A.

Psychometrika, v51 n4 p589-601 Dec 1986

A joint Bayesian estimation procedure for estimating parameters in the three-parameter logistic model is developed. Simulation studies show that the Bayesian procedure (1) ensures that the estimates stay in the parameter space and (2) produces better estimates than the joint maximum likelihood procedure. (Author/BS)

Descriptors: Bayesian Statistics, Estimation (Mathematics), Goodness of Fit, Latent Trait Theory, Mathematical Models, Maximum Likelihood Statistics, Statistical Distributions, Statistical Studies

Publication Type: Journal Articles; Reports - Research

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Language: English

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