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On False-Positive and False-Negative Decisions with a Mastery Test

Center for the Study of Evaluation University of California, Los Angeles

Wilcox (1977) examines two methods of estimating the probability of a false-positive or false-negative decision with a mastery test. Both procedures make assumptions about the form of the true score distribution which may not give good results in all situations. In this paper, upper and lower bounds on the two possible error types are described which make no assumption about the form of the true score distribution. Illustrations are given on how these bounds may be used to determine the length of the test.

Journal of Educational and Behavioral Statistics, Vol. 4, No. 1, 59-73 (1979)
DOI: 10.3102/10769986004001059


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