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Direct linkSchwichow, Martin; Zimmerman, Corinne; Croker, Steve; Härtig, Hendrik – Journal of Research in Science Teaching, 2016
The ability to design and interpret controlled experiments is an important scientific process skill and a common objective of science standards. Numerous intervention studies have investigated how the control-of-variables-strategy (CVS) can be introduced to students. However, a meta-analysis of 72 intervention studies found that the opportunity to…
Descriptors: Science Experiments, Scientific Methodology, Teaching Methods, Science Process Skills
Klahr, David; Triona, Lara M.; Williams, Cameron – Journal of Research in Science Teaching, 2007
"Hands-on" activities play an important, but controversial, role in early science education. In this study we attempt to clarify some of the issues surrounding the controversy by calling attention to distinctions between: (a) type of instruction (direct or discovery); (b) type of knowledge to be acquired (domain-general or domain-specific); and…
Descriptors: Program Effectiveness, Grade 8, Teaching Methods, Females
