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Gersten, Russell; Clarke, Benjamin S.; Haymond, Kelly; Jordan, Nancy C. – Center on Instruction, 2011
Since 2007, when this technical report was originally issued, the assessment field has made considerable progress in developing valid and reliable screening measures for early mathematics difficulties. This update includes new research published since 2007. It focuses on valid and reliable screening measures for students in kindergarten and first…
Descriptors: Mathematics Skills, Learning Problems, Screening Tests, Kindergarten
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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