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Ravanis, Konstantinos; Koliopoulos, Dimitris; Boilevin, Jean-Marie – Research in Science Education, 2008
The aim of this study was to explore the extent to which the characteristics of two teaching interventions can bring about cognitive progress in preschoolers with regard to the factors rolling friction depends on, when it is applied to an object that is freely rolling on a horizontal surface. The study was conducted in three phases: pre-test,…
Descriptors: Intervention, Piagetian Theory, Cognitive Development, Teaching Methods