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Longford, Nicholas T. – Journal of Educational and Behavioral Statistics, 2015
An equating procedure for a testing program with evolving distribution of examinee profiles is developed. No anchor is available because the original scoring scheme was based on expert judgment of the item difficulties. Pairs of examinees from two administrations are formed by matching on coarsened propensity scores derived from a set of…
Descriptors: Equated Scores, Testing Programs, College Entrance Examinations, Scoring