An Investigation of the Mediator Role of Cyber Loafing in the Relationship between Supervisor's Supervision Quality and Academic Procrastination of Ph.D. Students

The purpose of this study was to investigate the mediator role of cyber loafing in the relationship between supervisor's supervision quality and academic procrastination of Ph.D. students. The research method was descriptive and correlational method. The sample consisted of 201 Ph.D. students from Shiraz University who were selected by random sampling method. The research tools include the supervisor's supervision quality (Herman et al., 2014), cyber loafing (Inside, 2011), and academic procrastination (McCully, 2011) that after calculating their validity and reliability, they were distributed among the samples and the data were analyzed using structural equation model. The findings showed that the supervisor's supervision quality has a significant and negative effect on the student's cyber loafing behavior, and the behavior of cyber loafing has a positive and significant effect on increasing the students' procrastination at the completion of the doctoral dissertation, and the supervisor's supervision quality has a negative, but non-significant effect on students procrastination in complete a thesis.