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Download full textNelson, Michael C.; Cordray, David S.; Hulleman, Chris S.; Darrow, Catherine L.; Sommer, Evan C. – Society for Research on Educational Effectiveness, 2010
An educational intervention's effectiveness is judged by whether it produces positive outcomes for students, with the randomized controlled trial (CRT) as a valuable tool for determining intervention effects. However, the intervention-as-implemented in an experiment frequently differs from the intervention-as-designed, making it unclear whether…
Descriptors: Intervention, Program Effectiveness, Demonstration Programs, Experimental Programs
Chapman, Judith E.; Lazar, Joyce B. – 1971
This review of recent and on-going research on day care and preschool experimental and intervention programs was made to draw the findings together and to identify major research issues for the next two to five years. Chapter I describes the overall scope and purpose of the review as well as the major sources of information used, while Chapter II…
Descriptors: Child Care, Child Caregivers, Child Development, Day Care
