To see or not to see: analyzing difficulties in geometry from the perspective of visual perception

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How researchers see this paper

The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.

The Semiotic Structure of Geometry Diagrams: How Textbook Diagrams Convey Meaning (2015, methodology): “Gal and Linchevski (2010) argue that a visual-processing perspective on the role that color plays in how diagrams are perceived is a step toward providing such professional instruction.”
The more it changes, the more it becomes the same: The development of the routine of shape identification in dynamic geometry environment☆ (2012, background): “Research also indicates that children prefer to rely on a visual prototype rather than a verbal definition when classifying and identifying shapes (Gal & Linchevski, 2010; Van Hiele, 1986).”
Recent research on geometry education: an ICME-13 survey team report (2016, background): “An important study that teases out the processes of visual perception and perception-based knowledge representation was carried out by Gal and Linchevski (2010). They showed that both these processes affected geometry learning in early high school.”
Misconceptions In Geometry And Suggested Solutions For Seventh Grade Students (2012, background): “Research also indicates that children prefer to rely on a visual prototype rather than a verbal definition when classifying and identifying shapes ( [Gal and Linchevski, 2010] and [Van Hiele, 1986]).”