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Foster, M. E.; Anthony, J. L.; Clements, D. H.; Sarama, J.; Williams, J. M. – Society for Research on Educational Effectiveness, 2016
Children from low-income and ethnic minority backgrounds have demonstrated substantially lower levels of math achievement than their middle class majority peers for decades. The present study addressed two research questions: (1) when used as a supplement to typical classroom instruction and in isolation from the larger curriculum, does Building…
Descriptors: Randomized Controlled Trials, Computer Assisted Instruction, Numeracy, Mathematics Instruction
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Anthony, Jason L. – Journal of Research on Educational Effectiveness, 2016
This study evaluated Earobics Step 1, a commercial literacy program, and examined whether impact varied with children's school readiness and classroom instruction. Participants included 247 kindergarteners from 37 classrooms in nine Title 1 schools. Children were randomly assigned to receive 21 weeks of computerized instruction with Earobics or…
Descriptors: Literacy Education, Program Effectiveness, School Readiness, Randomized Controlled Trials
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Unlu, Fatih; Bozzi, Laurie; Layzer, Carolyn; Smith, Arthur; Price, Cristofer; Hurtig, Richard – Society for Research on Educational Effectiveness, 2013
In experimental studies, researchers are often interested in secondary research questions that explore important aspects of main findings, such as whether or not program effects vary according to the level of fidelity in which the program has been implemented; or according to the dosage received by individuals participated in the program. In this…
Descriptors: Fidelity, Program Implementation, Randomized Controlled Trials, Research Problems