Özet:

In this work, it is aimed to determine how problem-based learning activities impact students' academic achievement. In the research an experimental pattern with pretest-posttest design were used. Both groups were measured before and after the experiment. This research applied to the 57th grade students in Turkish Language Courses in February, March and April in academic year 2012-2013. In control group, blended approach based on constructive approach was used, while in experimental group, problem based learning application depended on constructive approach was used in teaching process. Scenarios, PowerPoint pictures and cartoons were used in the research. According to the findings in research, the academic achievement of the experimental group who was instructed Turkish Language Course with constructive approach based on problem-based learning performed a better success comparing with the control group who was instructed with only mixed methods based on constructive approach.