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Download full textAmanda A. Wolkowitz; Russell Smith – Practical Assessment, Research & Evaluation, 2024
A decision consistency (DC) index is an estimate of the consistency of a classification decision on an exam. More specifically, DC estimates the percentage of examinees that would have the same classification decision on an exam if they were to retake the same or a parallel form of the exam again without memory of taking the exam the first time.…
Descriptors: Testing, Test Reliability, Replication (Evaluation), Decision Making
Livingston, Samuel A. – 1978
The traditional reliability coefficient and standard error of measurement are not adequate measures of reliability for tests used to make pass/fail decisions. Answering the important reliability questions requires estimation of the joint distribution of true and observed scores. Lord's "Method 20" estimates this distribution without the…
Descriptors: Cutting Scores, Decision Making, Efficiency, Error of Measurement
Peer reviewedHambleton, Ronald K.; Slater, Sharon C. – Applied Measurement in Education, 1997
A brief history of developments in the assessment of the reliability of credentialing examinations is presented, and some new results are outlined that highlight the interactions among scoring, standard setting, and the reliability and validity of pass-fail decisions. Decision consistency is an important concept in evaluating credentialing…
Descriptors: Certification, Credentials, Decision Making, Interaction
