en اثربخشی آموزش موسیقی در انعطاف‌پذیری شناختی، همدلی و پرخاشگری نوجوانان 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:115%">According to the studies, music has some promoting effects on mood, development empathy and social understanding. </span>The aim of this study was to examine the effectiveness of music training in adolescents&#39; cognitive flexibility, empathy and aggression. The present study was a quasi-experimental pretest-posttest with a control group. The statistical population was all high school male students in District 21 of Tehran in 2022. The participants were 30 people who selected by accessible sampling method and randomly assigned to experimental and control groups (15 people in each group); Data were collected using the Dennis and VanderWal (2010) Cognitive Flexibility Questionnaire, Davis Empathy (1983) and the Buss and Perry Aggression Questionnaire (1992). The experimental group received eight sessions of 60-minute music training twice per&nbsp;week online, but the control group did not receive any training during this period. Multivariate analysis of covariance was used to test the research hypotheses. The results showed that music training significantly increased cognitive flexibility and empathy and decreased aggression of adolescents in the experimental group (p <.01); Therefore, the results showed that music education is effective in improving cognitive flexibility and empathy and reducing aggression in adolescents and is suggested as an effective intervention in promoting positive psychological traits and reducing negative psychological traits.<br> &nbsp;</span></span></span></div> Music training, Cognitive Flexibility, Empathy, Aggression, Adolescents 594 605 http://ieepj.hormozgan.ac.ir/browse.php?a_code=A-10-539-1&slc_lang=en&sid=1 Aida Kiarostami آیدا کیارستمی Baraneordibehesh53@gmail.com 10031947532846006138 10031947532846006138 No MA, General Psychology, Department of Psychology, Shahr-e- Qods Branch, Islamic Azad University, Tehran, Iran کارشناسی ارشد، روانشناسی عمومی، واحد شهر قدس، دانشگاه آزاد اسلامی، تهران، ایران Tahmooras Aghajanyhashjin طهمورث آقاجانی t.Aghajani2014@gmail.com 10031947532846006139 10031947532846006139 Yes Assistant Professor, Department of Psychology, Shahr-e- Qods Branch, Islamic Azad University, Tehran, Iran استادیار، گروه وانشناسی، واحد شهر قدس، دانشگاه آزاد اسلامی، تهران، ایران Abdullah Alizadeh عبدالله علیزاده Aa1347@live.com 10031947532846006140 10031947532846006140 No Assistant Professor, Department of Psychology, Shahr-e- Qods Branch, Islamic Azad University, Tehran, Iran استادیار، گروه وانشناسی، واحد شهر قدس، دانشگاه آزاد اسلامی، تهران، ایران