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Showing 1 to 2 of 2 for “"3PL model"”.
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The Exploration of the Relationship Between Guessing and Latent Ability in IRT Models
… successful guessing and latent ability in IRT models. A new IRT model was developed with a guessing function integrating probability of guessing an item correctly with the examinee's ability and the item parameters. The conventional 3PL IRT model was compared with the new 2PL-Guessing model on …
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COMPARING THREE ESTIMATION METHODS FOR THE THREE-PARAMETER LOGISTIC IRT MODEL
… METHODS FOR THE THREE-PARAMETER LOGISTIC IRT MODEL MAJOR PROFESSOR: Dr. Yanyan Sheng Different estimation procedures have been developed for the unidimensional three‐parameter item response theory (IRT) model. These techniques include the marginal maximum likelihood estimation, the fully …