Abstract
The present study aims to probe 1) the effect of academic procrastination on the motivation for completing a degree, 2) the effect of self-efficacy on the motivation for completing a degree, 3) the effect of learning interest on the motivation for completing a degree, and 4) the simultaneous effect of academic procrastination, self-efficacy, and learning interest on the motivation for completing a degree. Saturation was adopted to assess the adequacy of sampling that reached 104 respondents.
A questionnaire was used to gather data containing statements relevant to the variable of academic procrastination, self-efficacy, learning interest, and motivation for completing a degree.. Results showed that 1) academic procrastination had a positive and significant effect on motivation for completing a degree at 35,9%; 2) self-efficacy had a positive and significant effect on motivation for completing a degree at 6,7%; 3) learning interest had a positive and significant effect on motivation for completing a degree at 32,4%; and 4) academic procrastination, self-efficacy, and learning interest had a significant simultaneous effect on motivation for completing a degree at 44,2%. These findings demonstrate both of the partial and simultaneous effect of the academic procrastination, self-efficacy, and learning interest on the motivation for completing a degree among the students in Pokjar Tana Toraja and North Toraja. The study also found that the academic procrastination accounted for the highest effect while self-efficacy for the least effect on the motivation for completing a degree, which peaked at 6,7%. The implication of the study leads to the importance of identifying the internal aspects of students that deal with their academic procrastination, self-efficacy, and learning interest.

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