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Warsono; Nursuhud, Puji Iman; Darma, Rio Sandhika; Supahar – International Journal of Instruction, 2020
The study was conducted to analyze the items about the ability of high school students diagram representation and obtain Item Curve Characteristic. Grid test instruments are compiled based on competencies and indicators of diagram representation which are then used to compile items. The test instrument consisted of five items and was validated by…
Descriptors: High School Students, Problem Solving, Visual Aids, Scoring