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Download full textMoorthy, Savitha; Sanchez, Raquel; Tseng, Fannie – Society for Research on Educational Effectiveness, 2010
The objective of this paper is to provide some practical insight into the process of implementing large-scale randomized controlled trials (RCT) in educational settings and to provide general recommendations for researchers conducting education-based RCTs in the future. The authors draw their recommendations from their recent experiences…
Descriptors: Research Methodology, Science Experiments, Research Design, Educational Research
Peer reviewed
Direct linkJacob, Robin; Zhu, Pei; Bloom, Howard – Journal of Research on Educational Effectiveness, 2010
This article provides practical guidance for researchers who are designing studies that randomize groups to measure the impacts of educational interventions. The article (a) provides new empirical information about the values of parameters that influence the precision of impact estimates (intraclass correlations and R[superscript 2] values) and…
Descriptors: Research Design, Research Methodology, Educational Research, Intervention
Bock, Stacey Jones; Stoner, Julia B.; Beck, Ann R.; Hanley, Laurie; Prochnow, Jessica – Education and Training in Developmental Disabilities, 2005
For individuals who have complex communication needs and for the interventionists who work with them, the collection of empirically derived data that support the use of an intervention approach is critical. The purposes of this study were to continue building an empirically derived base of support for, and to compare the relative effectiveness of…
Descriptors: Intervention, Preschool Children, Communication Strategies, Assistive Technology
