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Sarama, Julie; Clements, Douglas H.; Starkey, Prentice; Klein, Alice; Wakeley, Ann – Journal of Research on Educational Effectiveness, 2008
This study used a randomized field trial design to evaluate the efficacy of a research-based model for scaling up an intervention focused on preschool mathematics. Although the successes of research-based educational practices have been documented, equally well known is the paucity of successful efforts to bring these practices to scale. The same…
Descriptors: Mathematics Curriculum, Mathematics Instruction, Intervention, Mathematics Achievement
Mitchell, Stephanie; Wile, Nancy – 2002
This report documents the evaluation of selected Portland, Oregon, Public Schools elementary and middle school literacy instructional programs and professional development models in 2000-2001. The literacy evolution examined the use of four reading intervention programs and professional development models as well as district adoptions of publisher…
Descriptors: Educational Practices, Elementary Education, Literacy, Middle Schools