Cognitive factors play a large role in the learning process; therefore purpose of this study was to investigate the effectiveness of Cognitive group rehabilitation training on academic procrastination and academic engagement in students. Methods: The present study is a quasi-experimental, pre-test, post-test, and control group. The statistical population of the study consisted of all postgraduate nursing students of Gorgan based on the criteria for entering and exiting the research in the

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... ic year of 2019, that they had academic procrastination. Participants voluntarily responded to the academic procrastination questionnaire. The number of 30 students who had the most academic procrastination scores were selected and randomly assigned to the experimental and control groups. Then, the academic engagement and academic procrastination questionnaires were used as a pre-test for both groups. Cognitive group rehabilitation Training was applied to the experimental group in 8 sessions with 90 minute. At the end of the course, both groups completed the above questionnaires as a post-test. Data were analyzed by multivariate analysis of covariance with SPSS 24 software. Result: The results showed that the mean and standard deviation of academic engagement in the pre-test of the experimental group was 52.84 ± 4.41 and the control group was 49.10 ± 4.75 and in the post-test of the experimental group was 83.36 ± 4.35 and the control group 50.75. ± 4.42 was obtained. The mean and standard deviation of academic procrastination in the pre-test of the experimental group of 65.74 ± 8.24and control of 65.32 ± 7.11and in the post-test of the experimental group of 31.02 ± 4.54 and control of 64.11 ± 6.87 Was obtained. Generally the results showed that Cognitive group rehabilitation Training has a significant effect on academic engagement and academic lagging at the level of P < 0.01. Conclusion: Cognitive group rehabilitation Training should be offered to students to use cognitive strategies and meta-cognitive strat [...]