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Myers, Jonté A.; Witzel, Bradley S.; Powell, Sarah R.; Li, Hongli; Pigott, Terri D.; Xin, Yan Ping; Hughes, Elizabeth M. – Review of Educational Research, 2022
Since 1975, researchers have conducted interventions to improve the word-problem performance of elementary school students facing mathematics difficulties. The current study reports a meta-analysis of 52 studies that examined the effect of these interventions. We estimated multivariate, random-effects models (REM) with robust variance estimation…
Descriptors: Meta Analysis, Word Problems (Mathematics), Problem Solving, Intervention
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Powell, Sarah R.; Doabler, Christian T.; Akinola, Olayemi A.; Therrien, William J.; Maddox, Steven A.; Hess, Katherine E. – Journal of Learning Disabilities, 2020
In this synthesis, we reviewed 65 studies involving elementary students (i.e., grades 1-5) identified with mathematics difficulty (MD) in which authors implemented a mathematics intervention. Of these studies, we identified 33 group designs, 9 quasi-experimental designs, and 23 single-case designs. We aimed to synthesize performance differences…
Descriptors: Intervention, Reading Difficulties, Comorbidity, Mathematics Skills
Stevens, Elizabeth A.; Rodgers, Melissa A.; Powell, Sarah R. – Remedial and Special Education, 2018
The purpose of this review was to conduct a meta-analysis of 25 years of mathematics interventions for students with mathematics difficulty or disability in Grades 4 through 12. A search of the literature yielded 25 studies that met the inclusion criteria. Studies were coded to extract important study information (e.g., participant information,…
Descriptors: Mathematics Instruction, Elementary School Students, Secondary School Students, Intervention
Stevens, Elizabeth A.; Rodgers, Melissa A.; Powell, Sarah R. – Grantee Submission, 2018
The purpose this review was to conduct a meta-analysis of 25 years of mathematics interventions for students with mathematics difficulty or disability in grades 4 through 12. A search of the literature yielded 25 studies that met the inclusion criteria. Studies were coded to extract important study information (e.g., participant information,…
Descriptors: Intervention, Mathematics Tests, Mathematics Achievement, Meta Analysis