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Peer reviewedVinner, Shlomo; Dreyfus, Tommy – Journal for Research in Mathematics Education, 1989
Examines aspects of the images and definitions that college students and junior high school teachers have for the concept of function. Provides a seven-item questionnaire. Describes and categorizes the various images and definitions of the concept. (YP)
Descriptors: College Mathematics, Foreign Countries, Functions (Mathematics), Fundamental Concepts
