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PDF pending restorationRee, Malcolm James – 1978
Item characteristic curve (ICC) theory describes the relationship between the ability of individuals and the probability of their answering a test question correctly; it is useful in estimating test scores, equating the scores of various tests, and scoring responses during adaptive testing. A simulation study of the effectiveness of the following…
Descriptors: Ability, Comparative Analysis, Computer Programs, Item Analysis
Download full textMcKinley, Robert L.; Reckase, Mark D. – 1980
A study was conducted to compare the quality of the item parameter estimates obtained from the ANCILLES and LOGIST estimation procedures using goodness of fit as a criterion. Statistics used to compare the fit included a chi-square statistic and a mean square deviation statistic. Other analyses performed included comparisons of the distributions…
Descriptors: Comparative Analysis, Computer Programs, Difficulty Level, Goodness of Fit
