Sarah R Powell, Lynn S Fuchs, Paul T Cirino, Douglas Fuchs, Donald L Compton, Paul C Changas
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Effects of a Multitier Support System on Calculation, Word Problem, and Prealgebraic Performance Among At-Risk Learners.
The focus of the present study was enhancing word-problem and calculation achievement in ways that support pre-algebraic thinking among 2nd-grade students at risk for mathematics difficulty. Intervention relied on a multi-tier support system (i.e., responsiveness-to-intervention or RTI) in which at-risk students participate in general classroom instruction and receive supplementary small-group tutoring. Participants were 265 students in 110 classrooms in 25 schools. Teachers were randomly assigned to 3 conditions: calculation RTI, word-problem RTI, and business-as-usual control. Intervention lasted 17 weeks. Multilevel modeling indicated that calculation RTI improved calculation but not word-problem outcomes; word-problem RTI enhanced proximal word-problem outcomes as well as performance on some calculation outcomes; and word-problem RTI provided a stronger route than calculation RTI to pre-algebraic knowledge.
期刊介绍：
Exceptional Children, an official journal of The Council for Exceptional Children, publishes original research and analyses that focus on the education and development of exceptional infants, toddlers, children, youth, and adults. This includes descriptions of research, research reviews, methodological reviews of the literature, data-based position papers, policy analyses, and registered reports. Exceptional Children publishes quantitative, qualitative, and single-subject design studies.
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