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Direct linkMartin Schwichow; Anastasios Zoupidis – Journal of Research in Science Teaching, 2024
Floating and sinking (FS) is a key topic in science education, both at primary and secondary levels. The interpretation of FS phenomena, however, is challenging due to the difficulty of the scientific concepts and explanatory models involved (e.g., density, buoyancy), along with students' everyday experiences, which conflict with scientific…
Descriptors: Scientific Concepts, Science Education, Meta Analysis, Effect Size
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
