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Ron Maughan 《Journal of sports sciences》2013,31(10):1119-1120
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Christine A. Espin Todd W. Busch Jongho Shin Ron Kruschwitz 《Learning disabilities research & practice》2001,16(3):142-151
In this study, we examined the reliability and validity of two curriculum-based measures as indicators of performance in a content-area classroom. Participants were 58 students in a 7th-grade social studies class. CBM measures were student- and administrator-read vocabulary-matching probes. Criterion measures were knowledge pre- and post-tests, the social studies subtest of the Iowa Test of Basic Skills, and student grades. Results revealed moderate alternate-form reliability for both vocabulary-matching measures. Reliability of the measures was increased by combining scores across two testing sessions. Correlations between the predictor and criterion variables were moderate to moderately strong, with the exception of those between vocabulary-matching and student grades. Observed scores for students with LD were lower than for students without LD on both student- and administrator-read vocabulary-matching measures. Few differences in reliability and validity coefficients were found between the student- and administrator-read measures. Results are discussed in terms of the use of CBM as a system for monitoring performance and designing interventions for students with learning disabilities in content-area classrooms. 相似文献
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Naylor R 《Isis; an international review devoted to the history of science and its cultural influences》2007,98(1):1-22
The aim of Galileo's tidal theory was to show that the tides were produced entirely by the earth's motion and thereby to demonstrate the physical truth of Copernicanism. However, in the Dialogue Concerning the Two Chief World Systems Galileo did not explain some of the most significant aspects of the theory completely. As a consequence, the way the theory works has long been disputed. Though there exist a number of interpretations in the literature, the most widely accepted are based on ideas that are not explicitly articulated by Galileo in the Dialogue. This essay attempts to understand the way the theory functions in terms of Galilean physics. It is an interpretation of the theory based solely on Galileo's arguments--and one that reveals it to have had some unrecognized consequences. This interpretation indicates that Galileo's theory would not have worked in the manner he described in the Dialogue. 相似文献
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