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An Application of Practical Strategies in Assessing the Criterion-Related Validity of Credentialing Examinations.
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Fidler, James R. – Evaluation and the Health Professions, 1993
Criterion-related validities of 2 laboratory practitioner certification examinations for medical technologists (MTs) and medical laboratory technicians (MLTs) were assessed for 81 MT and 70 MLT examinees. Validity coefficients are presented for both measures. Overall, summative ratings yielded stronger validity coefficients than ratings based on…
Descriptors: Achievement Rating, Certification, Comparative Testing, Credentials