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Rhymer, Katrina N.; Morgan, Sandra K. – Journal of Behavioral Education, 2005
Explicit timing and interspersal interventions were investigated using a within-subjects design with 45 third-grade students. A control assignment consisted of subtraction of a two digit number from a two digit number (i.e., target problem) and served as a baseline. An explicit timing assignment consisted of similar problems as those for the…
Descriptors: Comparative Analysis, Intervention, Grade 3, Subtraction

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