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Rolstad, Kellie; Mahoney, Kate; Glass, Gene V. – Journal of Educational Research & Policy Studies, 2008
In light of a recent revelation that Gersten (1985) included erroneous information on one of two programs for English Language Learners (ELLs), the authors re-calculate results of their earlier meta-analysis of program effectiveness studies for ELLs in which Gersten's studies had behaved as outliers (Rolstad, Mahoney & Glass, 2005). The correction…
Descriptors: Bilingual Education, Second Language Learning, Program Effectiveness, Effect Size
Moore, J. Elton; Steinman, Bernard A.; Giesen, J. Martin; Frank, John J. – Journal of Visual Impairment & Blindness, 2006
This study of a national sample of elders served by the Independent Living Program for Older Individuals Who Are Blind found that, overall, they were highly satisfied with the quality and timeliness of services and help in achieving independent living goals. A slight improvement was found in their perceptions of functional outcomes from 1999 to…
Descriptors: Independent Living, Visual Impairments, Sensory Aids, Age Differences
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Sinharay, Sandip – Journal of Educational and Behavioral Statistics, 2006
Bayesian networks are frequently used in educational assessments primarily for learning about students' knowledge and skills. There is a lack of works on assessing fit of Bayesian networks. This article employs the posterior predictive model checking method, a popular Bayesian model checking tool, to assess fit of simple Bayesian networks. A…
Descriptors: Models, Educational Assessment, Diagnostic Tests, Evaluation Methods