>Objective: The present study aimed to review the relationships between procrastination and two self-factors self-efficacy and self-esteem. >Methods: Participants were 140 undergraduates Psychology students enrolled in Mohagheg Ardabili University, Ardabil, Iran. Instruments used for collecting the required data were the student-version of the General Procrastination Scale (GP-S), General Self-Efficacy Scale (GSE) and Rosenberg’s Self-Esteem Scale (SES). >Results: Using causal modeling, two models were compared; a model with self-esteem as a mediator versus a model with procrastination as a mediator. The self-esteem mediator model accounted for 21% of the variance in procrastination. The significance of the mediation effect was found by bootstrapping method. >Conclusion: The relationship of procrastination with self-esteem and self-efficacy was revealed among undergraduate psychology students.
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