en <span style=font-size:11pt><span style=line-height:normal><span style=font-family:Calibri,sans-serif><b><span style=font-size:10.0pt><span cambria= style=font-family:><span style=color:#4472c4>Aims:</span></span></span></b><span style=font-size:10.0pt><span cambria= style=font-family:> Research shows that students are one of the groups at risk of Internet addiction, and it seems necessary to control their psychological and social well-being affected by Internet addiction. </span></span><span lang=EN style=font-size:10.0pt><span cambria= style=font-family:>The expansion of various job, educational, and communication dimensions of the Internet makes clear the necessity of using this tool in different groups, especially students; therefore, this study was conducted to determine the effectiveness of an educational intervention based on social cognitive theory on reducing Internet addiction in medical students of Bandar Abbas.</span></span></span></span></span><br> <span style=font-size:11pt><span style=line-height:normal><span style=font-family:Calibri,sans-serif><b><span lang=EN style=font-size:10.0pt><span cambria= style=font-family:><span style=color:#4472c4>Materials & Methods:</span></span></span></b> <span lang=EN style=font-size:10.0pt><span cambria= style=font-family:>This semi-experimental intervention study was conducted on 201 students of Banda Abbas University of Medical Sciences in 2020. Initially, students answered a researcher-made social cognitive theory (SCT) questionnaire and Young's Internet Addiction Inventory (IAT). Then, they were placed in two intervention and control groups with the same distribution. The intervention group received educational content for six weeks to reduce Internet addiction. Two months later, two groups completed the questionnaires again, and the data were analyzed with SPSS 16 software with covariance analysis and logistic regression.</span></span></span></span></span><br> <span style=font-size:11pt><span style=line-height:normal><span style=font-family:Calibri,sans-serif><b><span lang=EN style=font-size:10.0pt><span cambria= style=font-family:><span style=color:#4472c4>Findings:</span></span></span></b> <span lang=EN style=font-size:10.0pt><span cambria= style=font-family:>Statistically significant differences were observed between the two groups </span></span><span lang=EN style=font-size:10.0pt><span cambria= style=font-family:>in knowledge (F=7.138; p=0.008), outcome expectation (F=7.881; p=0.006), outcome expectancies (F=8.697; p=0.004), self-efficacy to overcome obstacles (F=6.294; p=0.013), self-regulation (F=5.680; p=0.018) and emotional adjustment (F=8.664; p=0.004)</span></span><span lang=EN style=font-size:10.0pt><span cambria= style=font-family:>.</span></span></span></span></span><br> <span style=font-size:11pt><span style=line-height:normal><span style=font-family:Calibri,sans-serif><b><span lang=EN style=font-size:10.0pt><span cambria= style=font-family:><span style=color:#4472c4>Conclusion:</span></span></span></b> <span lang=EN style=font-size:10.0pt><span cambria= style=font-family:>Educational intervention based on the social cognitive theory affects knowledge, outcome expectations, outcome expectancies, self-efficacy to overcome impediments, self-control, and emotional coping of Internet addiction.</span></span></span></span></span> Internet Addiction Disorder,Social Cognitive Theory,Medical Students, 357 363 http://hehp.modares.ac.ir/browse.php?a_code=A-10-76557-1&slc_lang=en&sid=4 S. Abedini 1003194753284600309317 1003194753284600309317 No “Social Determinants in Health Promotion Research Center” and “Department of Health Promotion and Education, School of Health”, Hormozgan University of Medical Sciences, Bandar Abbas, Iran L. Hassani 1003194753284600309318 1003194753284600309318 No Social Determinants in Health Promotion Research Center, Hormozgan University of Medical Sciences, Bandar Abbas, Iran S. Daneshvar 1003194753284600309319 1003194753284600309319 No Department of Public Health, School of Public Health & Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran A. Ghanbarnejad 1003194753284600309320 1003194753284600309320 No Social Determinants in Health Promotion Research Center, Hormozgan University of Medical Sciences, Bandar Abbas, Iran A. Sayadi 1003194753284600309321 1003194753284600309321 Yes Student Research Committee, Hormozgan University of Medical Sciences, Bandar Abbas, Iran