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Download full textTang Minh Dung; Le Thai Bao Thien Trung; Nguyen Thi Nga – Journal of Pedagogical Research, 2025
This study investigates whether Vietnamese students face specific challenges when visualizing skew versus intersecting lines and whether using the anaglyph feature of GeoGebra can help overcome these difficulties. Employing a design-based research approach over four phases with 12th-grade students, the study involved tasks in traditional…
Descriptors: Mathematics Instruction, Computer Software, Grade 12, High School Seniors
