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Direct linkYang, Xiangdong – Educational and Psychological Measurement, 2007
This article investigates several methods of identifying individual guessers from their response data. Both the posterior probability method and the likelihood ratio method are based on the two-state mixture modeling approach to response times. The accuracy method is based on response accuracy data. Results from the simulation study showed that…
Descriptors: Probability, Simulation, Test Items, Models
Peer reviewedForsyth, Robert Al; Ansley, Timothy N. – Educational and Psychological Measurement, 1982
The importance of computational skill for answering items in the quantitative thinking subtest of the Iowa Tests of Educational Development was investigated. Results show that computational skill is not a major factor contributing to the examinee's score on the subtest. (Author/GK)
Descriptors: Academic Aptitude, Calculators, Computation, Problem Solving
