TABLE 2.
Classification of happiness trainings in the World Database of Happiness, collection of Correlational Findings, subject section Health: Psychological Treatment sub-subjects and number of finding-pages by December 2019.
| Subject name | Number of finding pages1 |
| Happiness training | |
| Best possible self-exercise | 2 |
| Cognitive reframing | 1 |
| Comparison with the happiness of similar people | 1 |
| Enlightenment about happiness | 5 |
| Goal setting training | 5 |
| Laughter yoga | 1 |
| List and practice perceived ways to happiness | 1 |
| • Practice retrospective sources of happiness | 1 |
| • Practice one’s values | 2 |
| Meditation, mindfulness | 7 |
| Novelty trying | 1 |
| Life style awareness training | 1 |
| • Life-review exercise | 2 |
| • Mood awareness training | 4 |
| Positive thinking training | 3 |
| • Count blessings/curses | 7 |
| • Gratitude training | 10 |
| • Kindness training | 2 |
| • Recall of positive events | 5 |
| Savouring training | 1 |
| Trainings for multiple mental skills | 8 |
| • Enlightenment + exercises | 5 |
| Total | 74 |
1A finding-page can report more than one separate research findings, such as obtained with different measures of happiness, different statistics and separate findings for experimental and control groups.