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Gol Tabaghi, Shiva – Canadian Journal of Science, Mathematics and Technology Education, 2014
The complementary use of the theories of instrumental genesis and shifts of attention enabled me to obtain insights into students' understandings of the concepts of eigenvector and eigenvalue. My analysis suggests that the use of different dragging modalities can provide evidence of shifts in structure of a student's attention and consequently can…
Descriptors: Undergraduate Students, Geometric Concepts, Attention, Intention