DEVELOPING CRITICAL THINKING SKILLS TEST IN INDONESIA

The purpose of this research is to develop the critical thinking skills of high school students in Indonesia. Instruments developed the model of the Watson-Glaser Critical Thinking Test which refers to the five sub-skills that argument, assumption, Deduction, Interpretation, and Conclusions (A2DIK). Testing Critical Thinking Skills Test (CTST) involving 170 students in Indonesia to complete 32 test statements. The test results show CTST reliable internal consistency, the validity of each item CTST item through the Pearson correlation was significant, difficulty level at a high level, and discrimination index are quite good. These results provide a decent conclusion that CTST used to measure critical thinking skills of high school students in Indonesia