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Download full textMasters, Jessica – Journal of Technology, Learning, and Assessment, 2010
An online interactive geometry item was developed to explore students' abilities to create prototypical and "tilted" rectangles out of line segments. The item was administered to 1,002 students. The responses to the item were hand-coded as correct, incorrect, or incorrect with possible evidence of a misconception. A variation of the nearest…
Descriptors: Mathematics Instruction, Geometry, Scoring, Validity
