en روان شناسی تکاملی Evolutionary Psychology پژوهشي Original <div style="text-align: justify;"><span style="color:#3300ff;"><span style="font-size:14px;"><span style="font-family:Times New Roman;"><span style="line-height:2;"><b>Objective</b>: This study investigates the relationship between genetic impulsivity and addictive internet use, while examining the role of self-control as a mediating variable. Additionally, it explores the effects of parenting quality and personal ethics as moderating variables to determine when and under what conditions the impact of genetic impulsivity on internet addiction is mitigated or exacerbated.<br> <b>Methods</b>: The statistical population of this study includes all students enrolled in the Islamic Azad University branches of East Azerbaijan province during the 2025&ndash;2026 academic year. Using stratified random sampling, 387 students were selected as the sample. Data regarding genetic impulsivity, self-control, parenting quality, personal ethics, and addictive internet use were collected through standardized questionnaires, whose validity and reliability were verified following back-translation. Data analysis was conducted using Hayes&rsquo; Model 21 conditional process analysis to examine the direct, indirect (mediating), and moderating effects of the variables.<br> <b>Results</b>: The results indicate that genetic impulsivity increases addictive internet use both directly and indirectly (by weakening self-control). Furthermore, parenting quality and personal ethics moderate the detrimental effects of impulsivity; when these factors are at higher levels, the probability or severity of internet addiction is reduced.<br> <b>Conclusions</b>: It can be concluded that internet addiction is not solely a product of individual factors but is shaped by the interaction between bio-genetic predispositions, psychological self-control processes, and familial/value-based contexts. Therefore, preventive and intervention strategies should simultaneously focus on strengthening self-control and improving environmental factors (parenting quality and the cultivation of ethical values).</span></span></span></span></div> Genetic Impulsivity, Self-Control, Parenting Quality, Personal Morality, Addictive Internet Consumption, Moderated Mediation 0 0 http://ieepj.hormozgan.ac.ir/browse.php?a_code=A-10-1183-1&slc_lang=en&sid=1 Narges Zeinalzadeh zeinalzadeh@tabrizu.ac.ir 100319475328460012489 100319475328460012489 No Associate Professor of Molecular Genetics, Department of Animal Sciences, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran Hossein Emari Hossein.emari@iau.ac.ir 100319475328460012490 100319475328460012490 Yes Associate Professor of Marketing Management, Department of Management, Faculty of Humanities, Islamic Azad University, Bonab Branch, Bonab, Iran