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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
