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Jones, Paul; Tong, Ye; Liu, Jinghua; Borglum, Joshua; Primoli, Vince – Journal of Educational Measurement, 2022
This article studied two methods to detect mode effects in two credentialing exams. In Study 1, we used a "modal scale comparison approach," where the same pool of items was calibrated separately, without transformation, within two TC cohorts (TC1 and TC2) and one OP cohort (OP1) matched on their pool-based scale score distributions. The…
Descriptors: Scores, Credentials, Licensing Examinations (Professions), Computer Assisted Testing