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Graham, Steve; Fishman, Evan J.; Reid, Robert; Hebert, Michael – Learning Disabilities Research & Practice, 2016
Students with Attention Deficit Hyperactivity Disorders (ADHD) frequently experience significant difficulty mastering basic academic skills. This meta-analysis focuses on one specific potential area of learning difficulties for these students: namely, writing. To identify the extent and depth of the potential writing challenges faced by students…
Descriptors: Writing (Composition), Attention Deficit Hyperactivity Disorder, Meta Analysis, Academic Ability
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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
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 high school level. During the 2008-2009 school year, eight teachers at Goshen High School participated in independent action research studies regarding the extent to which a six step approach to direct vocabulary…
Descriptors: Action Research, Vocabulary, Vocabulary Development, Direct Instruction
Haystead, Mark W. – Marzano Research Laboratory, 2009
This report summarizes the findings of an analysis of a series of action research projects conducted by Goshen Community Schools at the elementary, middle, and high school levels. During the 2008-2009 school year, 40 teachers participated in independent action research studies regarding the extent to which a six step approach to direct vocabulary…
Descriptors: Elementary School Students, Elementary School Teachers, Middle School Students, Middle School Teachers