TY - JOUR T1 - Effectiveness of Group Intervention based on Positive Psychology in Reducing Symptoms of Depression and Anxiety and Increasing Life Satisfaction in Adolescent Girls TT - اثربخشی مداخله مثبت‌نگر گروهی درکاهش نشانه‌های افسردگی و اضطراب و افزایش میزان رضایت از زندگی دختران نوجوان JF - ijpcp JO - ijpcp VL - 20 IS - 4 UR - http://ijpcp.iums.ac.ir/article-1-2307-en.html Y1 - 2015 SP - 296 EP - 287 KW - positive intervention KW - depression KW - anxiety KW - stress KW - life satisfaction KW - adolescent N2 - Objectives: This study was conducted to investigate the effectiveness of group intervention based on positive psychology in decreasing depression and anxiety symptoms and increasing life satisfaction in adolescent girls. Method: Using convenient sampling method 31 girls aged 14-15 years with mild to moderate symptoms of depression and anxiety were assigned randomly to experimental and control groups. The intervention was given to the experimental group during 11 weekly two-hour sessions. Depression and anxiety symptoms were measured using Depression, Anxiety, Stress Scales (DASS-21) and life satisfaction was measured using Satisfaction with Life Scale (SWLS), before and after four months of intervention. Data were analyzed using repeated measures analysis of variances. Results: The results showed that in the experimental compared with the control group symptoms of depression (p=0.002, F=1018), anxiety (p=0.005, F=9.31) and stress (p=0.001, F=12.62) were decreased, while life satisfaction (p=0.003, F=10.18) was increased. The inter-group changes of all variables at follow-up and 9-month periods were not significant compared with post-test. Conclusion: Group intervention based on positive psychology reduces depression, anxiety and stress significantly. Therefore, it could be used to reduce preclinical symptoms   /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal" mso-tstyle-rowband-size:0 mso-tstyle-colband-size:0 mso-style-noshow:yes mso-style-priority:99 mso-style-qformat:yes mso-style-parent:"" mso-padding-alt:0cm 5.4pt 0cm 5.4pt mso-para-margin:0cm mso-para-margin-bottom:.0001pt mso-pagination:widow-orphan font-size:10.0pt font-family:"Times New Roman","serif"} M3 ER -