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Schraw, Gregory; Kuch, Fred; Gutierrez, Antonio P.; Richmond, Aaron S. – Journal of Educational Psychology, 2014
We compared 5 different statistics (i.e., G index, gamma, "d'", sensitivity, specificity) used in the social sciences and medical diagnosis literatures to assess calibration accuracy in order to examine the relationship among them and to explore whether one statistic provided a best fitting general measure of accuracy. College…
Descriptors: Statistics, Statistical Analysis, Correlation, Accuracy
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Nagengast, Benjamin; Marsh, Herbert W.; Chiorri, Carlo; Hau, Kit-Tai – Journal of Educational Psychology, 2014
The present study revisited the unresolved issue of the long-term effects of part-time working intensity during high school on students' achievement, participation in postsecondary education, time allocation, and work-related values and expectations. Using data from the Educational Longitudinal Study of 2002 (N = 14,654), the effects of part-time…
Descriptors: High School Students, Student Employment, Probability, Scores
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Kim, Young-Suk; Petscher, Yaacov; Foorman, Barbara R.; Zhou, Chengfu – Journal of Educational Psychology, 2010
In the present study, we investigated critical factors in letter-sound acquisition (i.e., letter-name knowledge and phonological awareness) with data from 653 English-speaking kindergartners in the beginning of the year. We examined (a) the contribution of phonological awareness to facilitating letter-sound acquisition from letter names and (b)…
Descriptors: Cues, Vowels, Beginning Reading, Phonological Awareness