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Bryant, Diane Pedrotty; Bryant, Brian R.; Roberts, Greg; Vaughn, Sharon; Pfannenstiel, Kathleen Hughes; Porterfield, Jennifer; Gersten, Russell – Exceptional Children, 2011
The purpose of this study was to determine the effects of an early numeracy preventative Tier 2 intervention on the mathematics performance of first-grade students with mathematics difficulties. Researchers used a pretest-posttest control group design with randomized assignment of 139 students to the Tier 2 treatment condition and 65 students to…
Descriptors: Control Groups, Intervention, Mathematics Achievement, Numeracy
Gersten, Russell; Carnine, Douglas – 1981
The results from the longitudinal evaluation of over 2000 low income students involved in the Direct Instruction Follow Through Project between kindergarten and third grade are reviewed. Of the ten major education approaches evaluated, students in the Direct Instruction model performed highest in all areas of Math: (1) Computations (66%…
Descriptors: Curriculum Development, Educational Research, Elementary Education, Elementary School Mathematics