Keterampilan Berpikir Kritis Siswa Model Pembelajaran Problem Based Learning Dan Sains Teknologi Masyarakat Pada Konsep Virus

Graduation standard of Indonesia senior high school hopes the students show their logical, crithical, creative, and inovative thinking skill in making decision. The study aimed to find out difference of crithical thinking between students taught with Problem Based Learning (PBL) method and Society Technology Science (STM) in the concept of virus. The subject are 64 students grade X of SMAN 11 South Tangerang City. Method used was quasy experiment with non-equivalent control group design. Sample were taken by simple random technique sampling. Instruments used was free analysis essay test. The result of postest percentage in both of class shows that (PBL) is better in giving the simple explanation and constructing the basic skill aspect, while STM model is better in giving further explaination aspect. In addition, the posttetest result was analyzed by t-test. The result gained was t-count is 2,79 and t-table with the significant of 5% is 1,99. It shows that there is a difference in in chritical thinking between students taught with PBL method and STM in the concept of virus