摘要：Introduction : The present study was conducted with the aim of surveying the effectiveness of Donald Meichenbaum cognitive behaviour modification therapy. Method : The method of this study is pure experimental research with pre test-post test with control group .The society of study, contains all high school students in the Tehran. For performing this study, 20 students with test anxiety have been chosen by cluster sampling method after a diagnostic test(Test Anxiety Inventory, TAI). Then, they have assigned to experiment and control group equally (10 person). The experiment group received cognitive behaviour modification for 8 sessions, but the control group didn’t. The data was analyzed by Quvariance test. Results : Results show that the test anxiety symptoms reduced significantly in experiment group in comparison to control group .(p<0.001) Conclusion : The study found that the cognitive behaviour modification therapy is efficient and useful in reduction of test anxiety symptoms and educational performance of high school students.
