Small to moderate effectiveness: 0.49 What is Positive Psychology? 1. Scientific study of what makes life worth living (the good life) 2. Emphasizes happiness, well-being, positivity, and social ties 3. Techniques: writing gratitude letters, learning optimistic thinking, replaying positive life experiences, making personal goals, focusing on personal strengths, and socializing with others.   Evidence: 0.29 small … Continue reading Positive Psychology: Small to Moderate Effectiveness →