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Peer reviewedHarris, Deborah J. – Applied Psychological Measurement, 1991
Effects of passage and item-scrambling on equipercentile and item-response theory equating were investigated using 2 scrambled versions of the American College Testing Program Assessment for approximately 25,000 examinees. Results indicate that using a base-form conversion table with a scrambled form affects the individual examinee level. (SLD)
Descriptors: College Entrance Examinations, Comparative Testing, Context Effect, Equated Scores
