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标题：THE CHARACTERISTICS OF TEST EQUATING METHODS FOR DICHOTOMOUS DATA
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作者：Nonoh Siti Aminah
期刊名称：Jurnal Penelitian dan Evaluasi Pendidikan
印刷版ISSN：2338-6061
出版年度：2012
卷号：16
语种：English
出版社：Jurnal Penelitian dan Evaluasi Pendidikan
摘要：This study aims: 1) to find out the accuracy of item parameter estimates in test equating by means of the Item Characteristic Curve (ICC) method, and 2) to find out the sensivity of the linear methods consisting of the Tucker-Levine score method and the Levine true score method applied to observed scores and the equipercentile methods consisting of the Braun-Holland linear method the chained equipercentile equating method. The data were empirical data obtained from the response patterns of the junior high school students taking the final test of Natural Sciences in the odd semester of the academic year of 2009/2010. The test equating employed the external anchor test design. The anchor test served to unite the equated tests. The anchor test consisted of 10 physics items. The test A had 55 items, the test B had 55 items, and the test C had 50 items. The equating pattern employed the group pattern, so that in the equating there were 140 items, consisting of 10 common anchor items, 45 items from tests A, 45 items from tests B, and 40 items from tests C. The results of the study are as follows. 1) The item parameter estimate in the test score equating by means of the Item Characteristic Curve (ICC) method yields the formula for the item difficulty index, and 2) urutan sensitivitas metode penyetaraan dari paling tinggi sampai paling rendah yaitu The order of the sensitivity of the equating methods from the highest to the lowest is Tucker- Levine method, Levine method, Braun-Holland linear method. Chained Equipercentile Equating method.Keywords: test equating, anchor test, external anchor test, RMSD, RMSE