'2pl model' diaporamas de présentation

Advanced Methods and Analysis for the Learning and Social Sciences

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Item Parameter Estimation: Does WinBUGS Do Better Than BILOG-MG?

Item Parameter Estimation: Does WinBUGS Do Better Than BILOG-MG?. Bayesian Statistics, Fall 2009 Chunyan Liu & James Gambrell. Introduction. 3 Parameter IRT Model Assigns each item a logistic function with a variable lower asymptote. Purpose.

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IRT Model Misspecification and Metric Consequences

IRT Model Misspecification and Metric Consequences. Sora Lee Sien Deng Daniel Bolt Dept of Educational Psychology University of Wisconsin, Madison. Overview .

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