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Dexter, Douglas D.; Hughes, Charles A. – Learning Disability Quarterly, 2011
This meta-analysis reviews experimental and quasi-experimental studies in which upper-elementary, intermediate, and secondary students with learning disabilities learned from graphic organizers. Following an exhaustive search for studies meeting specified design criteria, 55 standardized mean effect sizes were extracted from 16 articles involving…
Descriptors: Learning Disabilities, Instructional Materials, Meta Analysis, Elementary School Students
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Bowers, Peter N.; Kirby, John R.; Deacon, S. Helene – Review of Educational Research, 2010
The authors reviewed all peer-reviewed studies with participants from preschool to Grade 8 for this meta-analysis of morphological interventions. They identified 22 applicable studies. Instructional effects (Cohen's d) were averaged by linguistic outcome categories (morphological sublexical, non-morphological sublexical, lexical, and supralexical)…
Descriptors: Morphology (Languages), Literacy, Meta Analysis, Peer Evaluation
Gardner Taylor, April Dimmis – ProQuest LLC, 2009
The Focused Practice Instructional Approach (FPIA) was based on the Environmental Mode of instruction established by George Hillocks' 1986 meta-analysis for writing instruction. The purpose of this study was to clearly define the FPIA approach using the original studies and test if it was significantly effective in fourth grade classrooms using…
Descriptors: Teaching Methods, Control Groups, Experimental Groups, Grade 4
Puzio, Kelly; Colby, Glenn – Society for Research on Educational Effectiveness, 2010
Although some literacy researchers consider grouping students for reading instruction to be a proven educational practice, the support for this belief is lacking from a research synthesis perspective. With this idea in mind, Slavin comments in the middle of his review on the effects of grouping: "there is not enough research on within-class…
Descriptors: Reading Achievement, Academic Achievement, Educational Practices, Ability Grouping
Haystead, Mark W. – Marzano Research Laboratory, 2009
This report describes the findings of an analysis of a series of action research projects conducted by Goshen Community Schools at the elementary school level. During the 2008-2009 school year, 26 teachers at 7 elementary schools participated in independent action research studies regarding the extent to which a six step approach to direct…
Descriptors: Action Research, Vocabulary, Vocabulary Development, Direct Instruction