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This research aims to determine the relationship between self-efficacy and academic procrastination experienced by students in semesters 10, 12, 14 at Muhammadiyah University of Sidoarjo. This research was conducted using a correlational quantitative approach. This research uses non-probability sampling. using the Isaac & Michael table with an error rate of 5% from a population of 1729 students. So the number of samples used in this research was 292 students. The measuring instruments used are the self-efficacy scale and academic procrastination. With reliability values of 0.825 and 0.902. Data analysis using Sprearman's rho, the results show a negative relationship between the two variables, meaning that when self-efficacy is high, academic procrastination will be low and vice versa, but self-efficacy only accounts for 17.6% of the variance that causes academic procrastination.
Habibah et al. (Fri,) studied this question.