Many of the currently available statistical indexes to detect answer copying lack sufficient power at small [alpha] levels or when the amount of copying is relatively small. Furthermore, there is no one index that is uniformly best. Depending on the type or amount of copying, certain indexes are better than others. The purpose of this article was…

A classical problem in mastery testing is the choice of passing score and test length so that the mastery decisions are optimal. This problem has been addressed several times from a variety of viewpoints. In this paper, the usual indifference zone approach is adopted, with a new criterion for optimizing the passing score. Specifically,…

A study investigated the problem of systematic oversights by students taking language passage correction (PC) tests. In these tests, students are asked to correct errors inserted in written prose passages. When errors are not overtly marked, students often overlook them. This study examined patterns of oversight in two PC tests used to evaluate…