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Tom Bramley 《Educational research; a review for teachers and all concerned with progress in education》2013,55(3):325-330
Background:?A recent article published in Educational Research on the reliability of results in National Curriculum testing in England (Newton, The reliability of results from national curriculum testing in England, Educational Research 51, no. 2: 181–212, 2009) suggested that: (1) classification accuracy can be calculated from classification consistency; and (2) classification accuracy on a single test administration is higher than classification consistency across two tests. Purpose:?This article shows that it is not possible to calculate classification accuracy from classification consistency. It then shows that, given reasonable assumptions about the distribution of measurement error, the expected classification accuracy on a single test administration is higher than the expected classification consistency across two tests only in the case of a pass–fail test, but not necessarily for tests that classify test-takers into more than two categories. Main argument and conclusion:?Classification accuracy is defined in terms of a ‘true score’ specified in a psychometric model. Three things must be known or hypothesised in order to derive a value for classification accuracy: (1) a psychometric model relating observed scores to true scores; (2) the location of the cut-scores on the score scale; and (3) the distribution of true scores in the group of test-takers. 相似文献
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《Literacy》1999,33(3):132-136
Books reviewed: Goodwyn, Andrew (ed) Literary and Media Texts in Secondary English Styles, M. From the Garden to the Street Campbell, Robin Literacy from home to school: Reading with Alice Hall, Christine and Coles, Martin Children’s Reading Choices 相似文献
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Nicholas De Witt Edmund King Jean vanden Bossche A. Harry Passow Eve Malmquist Alfred Yates Urban Dahllöf John D. Williams Conrad Graham Rudolf Cohen Elfriede Höhn Anna -Liisa Sysiharju Harry D. Gideonse D. J. D. Smith S. Kaneti-Barry Werner H. Tack M. J. Langeveld 《International Review of Education/Internationale Zeitschrift für Erziehungswissenschaft/Revue internationale l'éducation》1964,10(3):358-382