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Download full textMerrill, Douglas C.; Reiser, Brian J. – 1994
External representations have a great impact on what and how students learn. One key manner in which environments can operate upon novices' knowledge is through helping them ground their problem solving in an understanding of the situation embodied by the problem. In this paper, students' difficulties in microeconomics problem solving were…
Descriptors: Coding, Cognitive Structures, Diagrams, Difficulty Level
