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Direct linkSiler, Stephanie Ann; Klahr, David – Journal of Educational Psychology, 2016
One obstacle to understanding abstract concepts such as the "control of variables" strategy (CVS) is the tendency for learners to focus on surface rather than deep features in instructional materials. However, in tasks such as learning CVS, these same surface features may also support understanding, provided learners realize the…
Descriptors: Middle School Students, Learning, Science Experiments, Research Design
Peer reviewedToth, Eva Erdosne; Klahr, David; Chen, Zhe – Cognition and Instruction, 2000
Developed and tested a cognitive theory-based intervention teaching a procedure for designing simple controlled experiments to fourth graders. Found that the intervention produced significant gains in students' ability to create controlled experiments, provide valid justifications for their experiments, and evaluate experiments designed by others.…
Descriptors: Classroom Techniques, Educational Research, Educational Theories, Elementary Education
