A Bayesian Method for the Detection of Item Preknowledge in Computerized Adaptive Testing.

McLeod, Lori; Lewis, Charles; Thissen, David

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Peer reviewed

ERIC Number: EJ672424

Record Type: Journal

Publication Date: 2003

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ISSN: ISSN-0146-6216

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A Bayesian Method for the Detection of Item Preknowledge in Computerized Adaptive Testing.

McLeod, Lori; Lewis, Charles; Thissen, David

Applied Psychological Measurement, v27 n2 p121-37 Mar 2003

Explored procedures to detect test takers using item preknowledge in computerized adaptive testing and suggested a Bayesian posterior log odds ratio index for this purpose. Simulation results support the use of the odds ratio index. (SLD)

Descriptors: Adaptive Testing, Bayesian Statistics, Computer Assisted Testing, Knowledge Level, Simulation, Test Items

Publication Type: Journal Articles; Reports - Evaluative

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Audience: N/A

Language: English

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