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Gersten, Russell; Newman-Gonchar, Rebecca; Haymond, Kelly S.; Dimino, Joseph – Regional Educational Laboratory Southeast, 2017
Response to intervention (RTI) is a comprehensive early detection and prevention strategy used to identify and support struggling students before they fall behind. An RTI model usually has three tiers or levels of support. Tier 1 is generally defined as classroom instruction provided to all students, tier 2 is typically a preventive intervention…
Descriptors: Response to Intervention, Primary Education, Grade 1, Grade 2
Bryant, Diane Pedrotty; Bryant, Brian R.; Gersten, Russell; Scammacca, Nancy; Chavez, Melissa M. – Remedial and Special Education, 2008
This study sought to examine the effects of Tier 2 intervention in a multitiered model on the performance of first- and second-grade students who were identified as having mathematics difficulties. A regression discontinuity design was utilized. Participants included 126 (Tier 2, n = 26) first graders and 140 (Tier 2, n = 25) second graders. Tier…
Descriptors: Grade 2, Grade 1, Mathematics Skills, Intervention

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