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Download full textCope, Ronald T.; Kolen, Michael J. – 1987
This study compared five density estimation techniques applied to samples from a population of 272,244 examinees' ACT English Usage and Mathematics Usage raw scores. Unsmoothed frequencies, kernel method, negative hypergeometric, four-parameter beta compound binomial, and Cureton-Tukey methods were applied to 500 replications of random samples of…
Descriptors: College Entrance Examinations, Estimation (Mathematics), Higher Education, Mathematical Models
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
