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Download full textWilcox, Rand R. – 1981
These studies in test adequacy focus on two problems: procedures for estimating reliability, and techniques for identifying ineffective distractors. Fourteen papers are presented on recent advances in measuring achievement (a response to Molenaar); "an extension of the Dirichlet-multinomial model that allows true score and guessing to be…
Descriptors: Achievement Tests, Criterion Referenced Tests, Guessing (Tests), Mathematical Models
Gonzalez-Tamayo, Eulogio – 1987
The concepts of universe of admissible observation and universe of generalization from the generalizability theory were applied to calculate the intraclass correlation coefficient of a licensure test. The internal consistency coefficient of a dichotomously scored test is identical to the intraclass correlation coefficient of a two-facet design.…
Descriptors: Adults, Analysis of Variance, Content Validity, Criterion Referenced Tests
Garrido, Mariquita; Payne, David A. – 1987
Minimum competency cut-off scores on a statistics exam were estimated under four conditions: the Angoff judging method with item data (n=20), and without data available (n=19); and the Modified Angoff method with (n=19), and without (n=19) item data available to judges. The Angoff method required free response percentage estimates (0-100) percent,…
Descriptors: Academic Standards, Comparative Analysis, Criterion Referenced Tests, Cutting Scores
