ERIC Number: EJ947706
Record Type: Journal
Publication Date: 2011-Nov
Abstractor: As Provided
Reference Count: 46
A Meta-Analytic Review of Graphic Organizers and Science Instruction for Adolescents with Learning Disabilities: Implications for the Intermediate and Secondary Science Classroom
Dexter, Douglas D.; Park, Youn J.; Hughes, Charles A.
Learning Disabilities Research & Practice, v26 n4 p204-213 Nov 2011
This article presents a meta-analysis of experimental and quasi-experimental studies in which intermediate and secondary students with learning disabilities were taught science content through the use of graphic organizers (GOs). Following an exhaustive search for studies meeting specified selection criteria, 23 standardized mean effect sizes were extracted from six articles involving 271 participants in grades 6 through 12. Findings included that, across immediate posttest and maintenance conditions, the use of GOs was associated with increased vocabulary knowledge and factual comprehension measured by researcher-generated multiple-choice tests in science. Conclusions, implications for future research, and practical recommendations are presented.
Descriptors: Learning Disabilities, Multiple Choice Tests, Effect Size, Vocabulary Development, Science Instruction, Instructional Materials, Meta Analysis, Secondary School Students, Teaching Methods, Intermediate Grades, Adolescents, Secondary School Science, Scientific Concepts
Publication Type: Journal Articles; Reports - Evaluative
Education Level: Grade 10; Grade 11; Grade 12; Grade 6; Grade 7; Grade 8; Grade 9; High Schools; Intermediate Grades
Authoring Institution: N/A