نتایج مقدّماتی روان‌درمانی مثبت‌گرای توسعه‌یافته مبتنی بر خیرباوری در افزایش شادکامی، رضایت از زندگی و بهزیستی روان‌شناختی در افراد افسرده غیر بالینی

The purpose of the present study was to examine the effectiveness of positive psychotherapy based on belief to good on happiness, psychological well-being and satisfaction with life in subclinical depression. According this, a single subject multiple baselines with follow up phase will be conducted. The first, three people with sign and symptom of depression were chosen from a Center of Psychology and Counseling in Tehran by purposeful sampling. Participants attended from 3 to7 week baseline phase. Within base line stage (3-7 weeks) therapy phase (8 weekly) and follow up step (4 month after treatment), patient filled out The Oxford Happiness Questionnaire, Riff’s Psychological well-being inventory, Satisfaction With Life Scale of Diener (SWLS) and orientations of happiness scale of Peterson. Treatment conducted in 8 sessions of 45 minutes.  in The Oxford Happiness Questionnaire(37%), Riff’s Psychological well-being inventory (14%), and Satisfaction With Life Scale(60%). Also, results showed increasing and improving trend in mediator variables such as pleasure (72%), engagement (70%) and meaning (128%) subscales. These results remain during fallow up phase. It seems that positive psychotherapy Based on belief to good is a short-term effective treatment for increasing happiness, Well-being and satisfaction with life in subclinical depression