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Dean, David, Jr.; Kuhn, Deanna – Science Education, 2007
D. Klahr and M. Nigam (2004) make a case for the superiority of direct instruction over discovery learning in students' mastery of the control-of-variables strategy central to the scientific method. In the present work, we examine acquisition of this strategy among students of the same age as those studied by Klahr and Nigam, as well as follow…
Descriptors: Teaching Methods, Socioeconomic Background, Scientific Methodology, Discovery Learning