摘要:Critical thinking is an embodiment of high-level thinking.The purposes of this research were to find out whether the critical thinking ability of VIII grade of SMP Negeri 1 Wangon on Problem Posing had passed the learning completeness grade and it was better than Direct Instruction or not,and to describe the students’ critical thinking ability through Problem Posing seen from the students’ curiosity.The results showed that: 1) critical thinking ability of class VIII SMP Negeri 1 Wangon on Problem Posing successfully passed the learning completeness grade;2) critical thinking ability of class VIII SMP Negeri 1 Wangon on Problem Posing was better than Direct Instruction;3) the students with high curiosity were able to accomplish 6 indicators,while the students with medium curiosity were able to accomplish 5 indicators,and the students with low curiosity were able to accomplish 3 indicators.