A Lower Bound to the Probability of Choosing the Optimal Passing Score for a Mastery Test when there is an External Criterion
- 1 June 1979
- journal article
- Published by Cambridge University Press (CUP) in Psychometrika
- Vol. 44 (2) , 245-249
- https://doi.org/10.1007/bf02293976
Abstract
Recently there has been interest in the problem of determining an optimal passing score for a mastery test when the purpose of the test is to predict success or failure on an external criterion. For the case of constant losses for the two error types, a method of determining an optimal passing score is readily derived using standard techniques. The purpose of this note is to describe a lower bound to the probability of identifying an optimal passing score based on a random sample of N examinees.Keywords
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