The field of positive psychology at the subjective level is about valued subjective experiences: wellbeing, contentment, and satisfaction (in the past); hope and optimism (for the future); and flow and happiness (in the present). At the individual level, it is about positive individual traits: the capacity for love and vocation, courage, interpersonal skill, aesthetic sensibility, perseverance, forgiveness, originality, future mindedness, spirituality, high talent, and wisdom. At the group level, it is about the civic virtues and the institutions that move individuals toward better citizenship: responsibility, nurturance, altruism, civility, moderation, tolerance, and work ethic101

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In terms of content, today, positive psychology serves as an umbrella term to accommodate research endeavours that started both before and after the introduction of the movement by Seligman and Csikszentmihalyi. Related research spans a diverse range of disciplines, such as education,103 sport psychology,104 family medicine,105 cancer care106 or brain injury rehabilitation.107