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Resch, Alexandra; Berk, Jillian; Akers, Lauren – National Center for Education Evaluation and Regional Assistance, 2014
An opportunistic experiment is a type of randomized controlled trial that studies the effects of a planned intervention or policy change with minimal added disruption and cost. This guide defines opportunistic experiments and provides examples, discusses issues to consider when identifying potential opportunistic experiments, and outlines the…
Descriptors: Educational Experiments, Educational Research, Intervention, Educational Policy
Engle, Harry A.; Christensen, David L. – 1974
Possible educational uses of the proposed space-shuttle program of the National Aeronautics and Space Administration are outlined. Potential users of information developed by the project are identified and their characteristics analyzed. Other space-education programs operated by NASA are detailed. Proposals for a methodology for expanding…
Descriptors: Aerospace Technology, Communications Satellites, Cost Effectiveness, Educational Experiments