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Peer reviewedSneider, Cary; And Others – Science Education, 1984
Tested the effectiveness of a program designed to teach children how to conduct and interpret a controlled experiment. Results indicate that the ability to control variables can be taught using the program (which consists of activities related to designing, building, and launching model rockets). (JN)
Descriptors: Adolescents, Cognitive Processes, Elementary School Science, Elementary Secondary Education
Little, Priscilla M. D.; Harris, Erin – 2003
As the amount of resources allocated to out-of-school (OST) programming and policymakers' demands for research-based results increase, there is increasing interest in rigorous research designs to examine OST program outcomes. This issue of "Out-of-School Time Evaluation Snapshots" reviews 27 quasi-experimental and experimental OST…
Descriptors: Academic Achievement, Accountability, Adolescent Development, Adolescents
