PROBLEM BASED LEARNING DENGAN STRATEGI BELAJAR PREVIEW QUESTION READ REFLECT RECITE REVIEW

Abstact: to encourage student on critical thinking ability in biology. This research had been carried out to investigate the influence of PBL through learning study PQ4R about critical thinking ability. This research design used was quasi experiment. This type of research is to experiment with Pre-test and Post-test Control Group Design, using one class each of control and experiment. Reseach the conclusions are the Learning Strategy used has great influence on the critical thinking ability well in biology. Based on the research result, it is suggested to the educator or teacher to apply learning strategy that emphasize on the critical thinking development to promote the self regulated learners.