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Class Size and Student Performance at a Public Research University: A Cross-Classified Model
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Johnson, Iryna Y. – Research in Higher Education, 2010
This study addresses several methodological problems that have confronted prior research on the effect of class size on student achievement. Unlike previous studies, this analysis accounts for the hierarchical data structure of student achievement, where grades are nested within classes and students, and considers a wide range of class sizes…
Descriptors: Class Size, Research Universities, Grades (Scholastic), Small Classes
Interpreting the Evidence for Effective Interventions to Increase the Academic Performance of Students with ADHD: Relevance of the Statistical Significance Controversy
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Harrison, Judith; Thompson, Bruce; Vannest, Kimberly J. – Review of Educational Research, 2009
This article reviews the literature on interventions targeting the academic performance of students with attention-deficit/hyperactivity disorder (ADHD) and does so within the context of the statistical significance testing controversy. Both the arguments for and against null hypothesis statistical significance tests are reviewed. Recent standards…
Descriptors: Educational Research, Academic Achievement, Statistical Significance, Effect Size
Family Factors and Intellectual Test Performance: A Reply to Steelman.
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Zajonc, R. B. – Review of Educational Research, 1986
This article finds the empirical review of the intellectual effects of family factors by Lala Carr Steelman wanting because (1) it is selective and incomplete; (2) it ignores systematic aggregate effects; (3) it imposes linear analysis on nonmonotone relationships; and (4) it disregards most of the confounds identified by Steelman as crucial.…
Descriptors: Academic Achievement, Birth Order, Educational Research, Effect Size
The Tale Retold: A Response to Zajonc.
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Steelman, Lala Carr – Review of Educational Research, 1986
The author responds to criticism by R. B. Zajonc on a review of the extant literature on the intellectual consequences of sibship size and birth order. (Author/LMO)
Descriptors: Academic Achievement, Birth Order, Educational Research, Effect Size
Computers and Learning: The Research Jury Is Still Out.
Bracey, Gerald – Electronic Learning, 1988
Reports on a study by Henry Becker that surveyed the research comparing the achievement of students using computer to those using traditional methods of instruction. Problems with many earlier studies are described, best-evidence synthesis is explained, effect size is examined, and implications for future research are suggested. (LRW)
Descriptors: Academic Achievement, Computer Assisted Instruction, Conventional Instruction, Effect Size
Computer-Based Integrated Learning Systems in the Elementary and Middle Grades: A Critical Review and Synthesis of Evaluation Reports.
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Becker, Henry Jay – Journal of Educational Computing Research, 1992
Discusses the use and advantages of integrated learning systems (ILSs) in elementary and middle grades, and reanalyzes 30 evaluations of ILSs by using effect size statistics. Research problems are described, including poor evaluation designs and inadequate data collection and analysis; and a table summarizes the ILS research reports and…
Descriptors: Academic Achievement, Computer Assisted Instruction, Data Analysis, Effect Size
A Meta-Analysis of Selected Studies on the Effectiveness of Bilingual Education.
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Willig, Ann C. – Review of Educational Research, 1985
Meta analysis results were compared with a traditional review of bilingual education program effectiveness. When controlled for methodological inadequacies, participation in bilingual education programs consistently produced differences favoring bilingual education. The methodological inadequacies in the synthesized studies highlights the need for…
Descriptors: Academic Achievement, Bilingual Education Programs, Comparative Analysis, Educational Research