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Gersten, Russell; Jayanthi, Madhavi; Newman-Gonchar, Rebecca; Anderson, Daniel; Spallone, Samantha; Taylor, Mary Jo – Regional Educational Laboratory Southeast, 2020
Several school districts in Georgia use two teacher-administered diagnostic assessments of student knowledge of mathematics as part of their multi-tiered system of support in grades K-8: the Global Strategy Stage (GloSS; New Zealand Ministry of Education, 2012) and the Individual Knowledge Assessment of Number (IKAN; New Zealand Ministry of…
Descriptors: Mathematics Tests, Diagnostic Tests, Test Reliability, Test Validity
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Gersten, Russell; Jayanthi, Madhavi; Dimino, Joseph – Exceptional Children, 2017
The report of the national response to intervention (RTI) evaluation study, conducted during 2011-2012, was released in November 2015. Anyone who has read the lengthy report can attest to its complexity and the design used in the study. Both these factors can influence the interpretation of the results from this evaluation. In this commentary, we…
Descriptors: Response to Intervention, National Programs, Program Effectiveness, Program Evaluation
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Gersten, Russell; Baker, Scott K.; Haager, Diane; Graves, Anne W. – Remedial & Special Education, 2005
The first portion of this article describes the development and validation of a classroom observation measure. The goal of the measure was to assess the quality of reading instruction provided to first-grade English learners. We report the internal consistency reliability, interrater reliability, the development of empirically derived subscales,…
Descriptors: Second Language Learning, English (Second Language), Reading Instruction, Teacher Effectiveness