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Stability of Rasch Scales over Time
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Taylor, Catherine S.; Lee, Yoonsun – Applied Measurement in Education, 2010
Item response theory (IRT) methods are generally used to create score scales for large-scale tests. Research has shown that IRT scales are stable across groups and over time. Most studies have focused on items that are dichotomously scored. Now Rasch and other IRT models are used to create scales for tests that include polytomously scored items.…
Descriptors: Measures (Individuals), Item Response Theory, Robustness (Statistics), Item Analysis
The Influence of Test-Wiseness on Performance of High School Seniors on School Leaving Examinations.
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Rogers, W. Todd; Bateson, David J. – Applied Measurement in Education, 1991
The influence of test wiseness on the performance of 736 high school seniors in British Columbia on provincial school leaving examinations in English, algebra, geography, history, biology, and chemistry was studied. The performance of many students on the multiple-choice sections was spuriously enhanced by test wiseness. (TJH)
Descriptors: Comparative Testing, Foreign Countries, Grade 12, Graduation Requirements
Three Applications of Customized Testing in Local School Districts.
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Forsyth, Robert A.; And Others – Applied Measurement in Education, 1992
Eighth grade teachers in three local school districts helped customize two standardized norm-referenced tests for ninth graders to investigate effects of deleting some items and adding locally constructed items. Results indicate that percentile ranks for the customized tests could be very different from those for the complete test. (SLD)
Descriptors: Adaptive Testing, Comparative Testing, Elementary Secondary Education, Grade 9