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Bayesian Statistics2
Item Response Theory2
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Applied Psychological…2
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Baker, Frank B.2
Harwell, Michael R.1
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Some Observations on the Metric of PC-BILOG Results.
Peer reviewed Peer reviewed
Baker, Frank B. – Applied Psychological Measurement, 1990
The equating of results from the PC-BILOG computer program to an underlying metric was studied through simulation when a two-parameter item response theory model was used. Results are discussed in terms of the identification problem and implications for test equating. (SLD)
Descriptors: Bayesian Statistics, Computer Simulation, Equated Scores, Item Response Theory
The Use of Prior Distributions in Marginalized Bayesian Item Parameter Estimation: A Didactic.
Peer reviewed Peer reviewed
Harwell, Michael R.; Baker, Frank B. – Applied Psychological Measurement, 1991
Previous work on the mathematical and implementation details of the marginalized maximum likelihood estimation procedure is extended to encompass the marginalized Bayesian procedure for estimating item parameters of R. J. Mislevy (1986) and to communicate this procedure to users of the BILOG computer program. (SLD)
Descriptors: Bayesian Statistics, Equations (Mathematics), Estimation (Mathematics), Item Response Theory