fa مقاله به زبان انگلیسی چاپ شده است. آموزش Education پژوهشي اصیل Orginal Research مقاله به زبان انگلیسی چاپ شده است. <strong>Background & Objective</strong>: Procrastination is defined as the tendency to avoid and postpone timely activities. Academic procrastination is the most common form of this issue, which is a dominant, frequent tendency among learners to delay educational activities<span dir="RTL">.</span>The present study aimed to investigate the prevalence of academic procrastination and its association with metacognitive beliefs in Zanjan University of Medical Sciences, Iran.<br> <strong>Materials and Methods</strong>: This descriptive-correlational study was conducted on the students at Zanjan University of Medical Sciences during 2015-2016 (n=3,500). In total, 210 students were selected randomly. Data collection tools were the Academic Procrastination Scale Solomon and Ruth Bloom (1984) and metacognitive beliefs about procrastination questionnaire (MCPQ). Data collection was performed in accordance with ethical principles.<br> <strong>Results</strong>: Prevalence of academic procrastination was 63% among the students. In addition, regression analysis indicated that 5% of the variances on academic procrastination was explained by cognitive beliefs (R²=0.047). Positive metacognitive beliefs by a factor of B=0.445 (P=0.022) and negative metacognitive beliefs by a factor of B=0.409 (P=0.009) were the predictors of academic procrastination<span dir="RTL">.</span><br> <strong>Conclusion</strong>: According to the results, about 63% of the students faced the challenge of procrastination in their academic fields, and 5% of the variances relating to academic procrastination could be explained by cognitive beliefs.<br> &nbsp; Academic Procrastination, Metacognitive Beliefs Academic Procrastination, Metacognitive Beliefs 84 97 http://edujournal.zums.ac.ir/browse.php?a_code=A-12-867-1&slc_lang=fa&sid=1 Jahangir Mohammadi Bytamar Jahangir Mohammadi Bytamar Jahanmohammadi@zums.ac.ir 5300319475328460010253 5300319475328460010253 No Zanjan Social Determinants of Health Research Center, Zanjan University of Medical Sciences, Zanjan Iran دانشگاه علوم پزشکی زنجان Saeedeh Zenoozian Saeedeh Zenoozian zenoozian@yahoo.com 5300319475328460010254 5300319475328460010254 Yes Zanjan Social Determinants of Health Research Center, Zanjan University of Medical Sciences, Zanjan Iran دانشگاه علوم پزشکی زنجان Mohsen Dadashi Mohsen Dadashi Psy.mohsen@gmail.com 5300319475328460010255 5300319475328460010255 No Zanjan Social Determinants of Health Research Center, Zanjan University of Medical Sciences, Zanjan Iran دانشگاه علوم پزشکی زنجان Omid Saed Omid Saed saedomid@gmail.com 5300319475328460010256 5300319475328460010256 No Department of Clinical Psychology, Faculty of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran. دانشگاه علوم پزشکی زنجان Abbas Hemmat Abbas Hemmat hemmat5a@yahoo.com 5300319475328460010257 5300319475328460010257 No Department of Clinical Psychology, Faculty of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran. دانشگاه علوم پزشکی زنجان Gelavizh Mohammadi Gelavizh Mohammadi psy.mohammadi@gmail.com 5300319475328460010258 5300319475328460010258 No Department Clinical Psychology, University of Mohaghegh Ardabili, Ardabil, Iran. دانشگاهاردبیل