This study aims at developing an instrument to measure metacognition in solving physics problems among college students. This study used Research and Development (R & D) model with the non-test instrument development model. The instrument was in the form of a questionnaire that consisted of four choices with the scale was ranging from 1 to 4.…

Anxiety becomes one of the psychological symptoms that can appear in every student while solving mathematics problems. Anxiety cannot be denied to be one factor that affects students' learning outcomes and interest in mathematics. Therefore, teachers should concern on this matter in order to decide the appropriate learning strategy. However, there…

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…