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Applied Psychological…

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Lewis, Charles	1
McLeod, Lori	1
Prestwood, Stephen J.	1
Thissen, David	1

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

Peer reviewed

McLeod, Lori; Lewis, Charles; Thissen, David – Applied Psychological Measurement, 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

Knowledge of Results and the Proportion of Positive Feedback on Tests of Ability.

Peer reviewed

Prestwood, Stephen J. – Applied Psychological Measurement, 1979

Undergraduate students were administered one of three conventional or one of three stratified adaptive vocabulary tests with or without knowledge of results. Results indicated that knowledge of results and test difficulty affected performance. (Author/JKS)

Descriptors: Academic Ability, Adaptive Testing, Computer Assisted Testing, Computers