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Comparability of Scores from Different Tests though on the Same Scale
Peer reviewed Peer reviewed
Boldt, R. F. – Educational and Psychological Measurement, 1974
Descriptors: Comparative Testing, Equated Scores, National Norms, Raw Scores
Statistical versus Substantive Dimensionality: The Effect of Distributional Differences on Dimensionality Assessment Using DIMTEST
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Walker, Cindy M.; Azen, Razia; Schmitt, Thomas – Educational and Psychological Measurement, 2006
It is believed by some that most tests are multidimensional, meaning that they measure more than one underlying construct. The primary objective of this study is to illustrate how variations in the secondary ability distribution affect the statistical detection of dimensionality and to demonstrate the difference between substantive and statistical…
Descriptors: Multidimensional Scaling, Item Response Theory, Comparative Testing, Statistical Analysis
Obtaining Information about Learners' Thinking Strategies from Wrong Answers on Multiple-Choice Tests.
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Powell, J. C.; Shklov, N. – Educational and Psychological Measurement, 1992
An age-dependent answer-selection sequence of answers on multiple-choice tests suggested by previous studies was supported using statistical rather than clinical means. Results with 2,810 students aged 88 months through 241 months given a reading comprehension test twice during a 5-month interval support the systematically connected age-dependent…
Descriptors: Adolescents, Adults, Age Differences, Children