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Direct linkLorch, Robert F., Jr.; Lorch, Elizabeth P.; Freer, Benjamin Dunham; Dunlap, Emily E.; Hodell, Emily C.; Calderhead, William J. – Journal of Educational Psychology, 2014
Students (n = 1,069) from 60 4th-grade classrooms were taught the control of variables strategy (CVS) for designing experiments. Half of the classrooms were in schools that performed well on a state-mandated test of science achievement, and half were in schools that performed relatively poorly. Three teaching interventions were compared: an…
Descriptors: Science Instruction, Teaching Methods, Elementary School Science, Elementary School Students
