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ERIC Number: EJ881942
Record Type: Journal
Publication Date: 2010-Jun
Pages: 21
Abstractor: As Provided
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0013-1954
To See or Not to See: Analyzing Difficulties in Geometry from the Perspective of Visual Perception
Gal, Hagar; Linchevski, Liora
Educational Studies in Mathematics, v74 n2 p163-183 Jun 2010
In this paper, we consider theories about processes of visual perception and perception-based knowledge representation (VPR) in order to explain difficulties encountered in figural processing in junior high school geometry tasks. In order to analyze such difficulties, we take advantage of the following perspectives of VPR: (1) Perceptual organization: Gestalt principles, (2) recognition: bottom-up and top-down processing; and (3) representation of perception-based knowledge: verbal vs. pictorial representation, mental images and hierarchical structure of images. Examples given in the paper were mostly taken from Gal's study (2005) which aimed at identifying and analyzing Problematic Learning Situations (after Gal & Linchevski, 2000) in junior high school geometry classes. Gal's study (2005) suggests that while this theoretical perspective became part of teachers' pedagogic content knowledge, the teachers were aware of their students' thinking processes and their ability to analyze and cope with their students' difficulties in geometry was improved.
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Publication Type: Journal Articles; Reports - Research
Education Level: Junior High Schools
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A