Table 2 Institution-based PP interventions evaluated in randomized-controlled trials
Positive Psychology (PP) intervention | Psychological well-being and other psychosocial outcomes effectively changed | Example references |
|---|---|---|
Workplace | ||
 Goal setting and planning | Positive affect (↑), flourishing (↑) | A24 |
School | ||
 Gratitude | Positive affect (↑) | A25 |
 Acts of kindness | Positive affect (↑), engagement (↑) | A25 |
 Multicomponent PP interventions (e.g., acts of kindness, gratitude for positive events, mindfulness; PP interventions are often combined with some strategies from cognitive-behavioral therapy or acceptance and commitment therapy) | Psychological well-being (↑), flourishing (↑), personal growth (↑), optimism (↑), anxiety symptoms (↓) , depression symptoms (↓) | A26-A28 |