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Download full textAllen, Jeff – ACT, Inc., 2012
Detecting unusual similarity in the item responses of a pair of examinees usually conditions on the pair's overall test performance (e.g., raw scores). Doing this, however, often requires assumptions about the invariance of other examinee pair characteristics. In this study, we examined the appropriateness of such assumptions about selected…
Descriptors: College Entrance Examinations, Language Tests, English, Mathematics Tests
