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Bardhoshi, Gerta; Erford, Bradley T. – Measurement and Evaluation in Counseling and Development, 2017
Precision is a key facet of test development, with score reliability determined primarily according to the types of error one wants to approximate and demonstrate. This article identifies and discusses several primary forms of reliability estimation: internal consistency (i.e., split-half, KR-20, a), test-retest, alternate forms, interscorer, and…
Descriptors: Scores, Test Reliability, Accuracy, Pretests Posttests