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Peer reviewedWang, Tianyou; Kolen, Michael J.; Harris, Deborah J. – Journal of Educational Measurement, 2000
Describes procedures for calculating conditional standard error of measurement (CSEM) and reliability of scale scores and classification of consistency of performance levels. Applied these procedures to data from the American College Testing Program's Work Keys Writing Assessment with sample sizes of 7,097, 1,035, and 1,793. Results show that the…
Descriptors: Adults, Classification, Error of Measurement, Item Response Theory
PDF pending restorationSchulz, E. Matthew; Kolen, Michael J.; Nicewander, W. Alan – 1997
This paper compares modified Guttman and item response theory (IRT) based procedures for classifying examinees in ordered levels when each level is represented by several multiple choice test items. In the modified Guttman procedure, within-level number correct scores are mapped to binary level mastery scores. Examinees are then assigned to levels…
Descriptors: Classification, Comparative Analysis, Item Response Theory, Mathematics Tests
Download full textPalmer, Helen T.; Hane, Edward Z. – 1995
Recent reports by government agencies show concern regarding the extent to which American workers lack the workplace skills necessary to meet the challenges of today's workplace. The Work Keys system, a program developed by American College Testing (ACT) to help improve the job skills of the workforce, is described. A pilot project is being…
Descriptors: Classification, Employment Potential, Evaluation, Human Resources
Wang, Tianyou; And Others – 1996
M. J. Kolen, B. A. Hanson, and R. L. Brennan (1992) presented a procedure for assessing the conditional standard error of measurement (CSEM) of scale scores using a strong true-score model. They also investigated the ways of using nonlinear transformation from number-correct raw score to scale score to equalize the conditional standard error along…
Descriptors: Ability, Classification, Error of Measurement, Goodness of Fit
