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Öztürk-Gübes, Nese; Kelecioglu, Hülya – Educational Sciences: Theory and Practice, 2016
The purpose of this study was to examine the impact of dimensionality, common-item set format, and different scale linking methods on preserving equity property with mixed-format test equating. Item response theory (IRT) true-score equating (TSE) and IRT observed-score equating (OSE) methods were used under common-item nonequivalent groups design.…
Descriptors: Test Format, Item Response Theory, True Scores, Equated Scores
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Bolger, Niall; Kellaghan, Thomas – Journal of Educational Measurement, 1990
Gender differences in scholastic achievement as a function of measurement method were examined by comparing performance of 739 15-year-old boys and 758 15-year-old girls in Irish high schools on multiple-choice and free-response tests of mathematics, Irish, and English achievement. Method-based gender differences are discussed. (SLD)
Descriptors: Academic Achievement, Adolescents, Comparative Testing, English