Family and health Quarterly, vol11, Issue 3, Autumn 2021, ISSN: 2322-3065 http://journals.iau-astara.ac.ir Nozari The Effect of Family-Centered Stress Management on Risky Behaviors among Girls Nozari E. 1 , Sabet M.* 2 , Bashardoost S. 3 Abstract Introduction: The present study aims to explore the effect of stress management training in mothers on risky behaviors among girls. Method: The research was practical and the method was a quasi-experimental including pre- test, posttest, experimental and control groups. The participants were 380 female students from a high school in Andishe, Shahriar in academic year 1398-1399 and 30 students were selected through average homogenization and split into two experimental and control groups. The students were asked to respond a pre-test which was a scale of risk-taking among Iranian adolescents designed by Mohamadi Ahmad Abadi and Heidari and they were supposed to answer again as the posttest after 10 sessions of stress management training. To analyze data, variance analysis was applied with a frequent measurement. Results: The findings indicates that the interactive effect of group × time on violence (F= 6/83, P= 0/001,  2 = 0/336) is 0/01, for variables of sexual relationship and behavior (F= 3/45, P= 0/046,  2 = 0/203) and relationship with opposite sex (F= 3/48, P= 0/045,  2 = 0/205) was significantly 0/05. Conclusion: Therefore, the family-centered stress management can enable us to prevent the risky behaviors in girls and increase the level of awareness in families. Key words: Opposite sex, Risky, Sexual behavior, Violence 1 - PhD in Educational Psychology, Department of Psychology, Rudehen Branch, Islamic Azad University, Rudehen, Iran. effat.nozari@gmail.com, ORCID: 0000-0001-9239-0111 2 - Corresponding Author, Assistant Professor, Department of Psychology, Rudehen Branch, Islamic Azad University, Rudehen, Iran. Mehrdadsabet@yahoo.com, ORCID: 0000-0003-3890-4294 3 - Assistant Professor, Department of Psychology, Rudehen Branch, Islamic Azad University, Rudehen, Iran. sibashardoust@yahoo.com, © 2020 The Author(s). This work is published by family and health as an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by- nc/4.0/). Non-commercial uses of the work are permitted, provided the original work is properly cited. Citation: Nozari E., Sabet M., Bashardoost S.. The Effect of Family-Centered Stress Management on Risky Behaviors among Girls, Family and health, 2021;11(3):162-175