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An Examination of Conditioning Variables Used in Computer Adaptive Testing for DIF Analyses.
Peer reviewed Peer reviewed
Walker, Cindy M.; Beretvas, S. Natasha; Ackerman, Terry – Applied Measurement in Education, 2001
Conducted a simulation study of differential item functioning (DIF) to compare the power and Type I error rates for two conditions: using an examinee's ability estimate as the conditioning variable with the CATSIB program and either using the regression correction from CATSIB or not. Discusses implications of findings for DIF detection. (SLD)
Descriptors: Ability, Adaptive Testing, Computer Assisted Testing, Item Bias
Critical Problems in Computer-Based Psychological Measurement.
Peer reviewed Peer reviewed
Green, Bert F. – Applied Measurement in Education, 1988
Emerging areas and critical problems related to computer-based testing are identified. Topics covered include adaptive testing; calibration; item selection; multidimensional items; uses of information processing theory; relation to cognitive psychology; and tests of short-term and spatial memory, perceptual speed and accuracy, and movement…
Descriptors: Cognitive Tests, Computer Assisted Testing, Content Validity, Information Processing
Altering the Level of Difficulty in Computer Adaptive Testing.
Peer reviewed Peer reviewed
Bergstrom, Betty A.; And Others – Applied Measurement in Education, 1992
Effects of altering test difficulty on examinee ability measures and test length in a computer adaptive test were studied for 225 medical technology students in 3 test difficulty conditions. Results suggest that, with an item pool of sufficient depth and breadth, acceptable targeting to test difficulty is possible. (SLD)
Descriptors: Ability, Adaptive Testing, Change, College Students