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Slavin, Robert E.; Cheung, Alan C. K. – Journal of Education for Students Placed at Risk, 2017
Large-scale randomized studies provide the best means of evaluating practical, replicable approaches to improving educational outcomes. This article discusses the advantages, problems, and pitfalls of these evaluations, focusing on alternative methods of randomization, recruitment, ensuring high-quality implementation, dealing with attrition, and…
Descriptors: Randomized Controlled Trials, Evaluation Methods, Recruitment, Attrition (Research Studies)
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McDonald, David; Proctor, Penny; Gill, Wendy; Heaven, Sue; Marr, Jane; Young, Jane – Child Language Teaching and Therapy, 2015
The purpose of this addendum is to include within our discussion the findings of Girolametto et al. (2007), a randomized controlled trial of Teacher Talk training, an adapted version of Learning Language and Loving It (LLLI) (Weitzman and Greenberg, 2002). Teacher Talk does not include the coaching and video feedback elements of LLLI. Girolametto…
Descriptors: Early Childhood Education, Speech Therapy, Communication Strategies, Language Acquisition