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Schwichow, 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
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Baker, Thomas R.; White, Steven H. – Journal of Geography, 2003
This paper examines a non-equivalent quasi-experimental research effort, wherein two versions of a two week Project Based Learning unit were developed, implemented, and assessed. Students used a collaborative GIS or paper maps to support data analysis activities in this eighth grade Earth science unit. Attitude and self-efficacy in science as…
Descriptors: Geography, Information Systems, Student Attitudes, Self Efficacy