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Peer reviewedAlbanese, Mark A. – Journal of Educational Measurement, 1988
Estimates of the effects of use of formula scoring on the individual examinee's score are presented. Results for easy, moderate, and hard tests are examined. Using test characteristics from several studies shows that some examinees would increase scores substantially if they were to answer items omitted under formula directions. (SLD)
Descriptors: Difficulty Level, Guessing (Tests), Scores, Scoring Formulas
Yen, Wendy M. – 1982
Test scores that are not perfectly reliable cannot be strictly equated unless they are strictly parallel. This fact implies that tau equivalence can be lost if an equipercentile equating is applied to observed scores that are not strictly parallel. Thirty-six simulated data sets are produced to simulate equating tests with different difficulties…
Descriptors: Difficulty Level, Equated Scores, Latent Trait Theory, Methods
