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Meta-Analysis of Geometry Intervention for Students with Intellectual disabilities, learning difficulties and learning disabilities
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지적장애, 학습부진 및 학습장애 학생의 도형학습 중재 연구 메타분석

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Type
Academic journal
Author
HyeJung Koh (위덕대학교) CHO YOUNGHEE (서울대학교)
Journal
Kacsn: Korean Association Of The Children With Special Need 특수아동교육연구 특수아동교육연구 제22권 제4호 KCI Accredited Journals
Published
2020.1
Pages
111 - 134 (24page)

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Meta-Analysis of Geometry Intervention for Students with Intellectual disabilities, learning difficulties and learning disabilities
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Purpose: This study synthesized geometry interventions for students with Intellectual disabilities, learning difficulties, and learning disabilities. Method: This study analyzed 19 domestic or international publications, of which 9 were group studies and 10 were single case studies. The effect size of the group study was calculated as Hedges’ g, and the effect size of the single subject study was calculated as Tau-U. Results: As the results, the experimental studies showed that the overall effect size was 0.3934, showing a small effect size. Also, there was no significant differences in the effect size, according to moderators, grade, disability, intervention method, and intervenor. On the contrary, the overall effect size of single case studies was Tau-U=9.333, showing a high effect size. Moreover, there was a difference in effect size according to grade, disability, intervention method. However, there was no moderating effect, according to intervenor and duration. Conclusion: This study discussed and suggested that the effective geometry interventions for students with Intellectual disabilities, learning difficulties, and learning disabilities.

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