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Download full textEignor, Daniel R.; Cook, Linda L. – 1983
The purpose of this study was to determine the extent to which item parameters estimated on pretest data from the verbal section of the Scholastic Aptitude Test (SAT) can be used for equating purposes in a situation where intact final form SAT testing data have normally been used. Items appearing in two final SAT-verbal forms were calibrated…
Descriptors: Aptitude Tests, College Entrance Examinations, Equated Scores, Feasibility Studies
IRT Equating: A Flexible Alternative to Conventional Methods for Solving Practical Testing Problems.
Cook, Linda L.; And Others – 1981
The purposes of this study are: (1) to compare the results of linear, equipercentile, frequency estimation equipercentile and item response theory (IRT) true formula score equating; and (2) to investigate the feasibility of using IRT methods to equate new forms of the Preliminary Scholastic Aptitude Test/National Merit Scholarship Qualifying Test…
Descriptors: College Entrance Examinations, Comparative Analysis, Equated Scores, Feasibility Studies
Cook, Linda L.; Eignor, Daniel R. – 1983
The purpose of this study was to examine the feasibility of using item response theory (IRT) methods to equate different forms of three College Board Achievement Tests (Biology, American History and Social Studies, and Mathematics Level II) and one Graduate Record Examinations Achievement Test (Advanced Biology), rather than conventional or…
Descriptors: Achievement Tests, College Entrance Examinations, Comparative Analysis, Equated Scores
