- Proyer, R.T.; Buschor, C.; Ruch, W.
- Testing Strengths-Based Interventions: A Preliminary Study on the Effectiveness of a Program Targeting Curiosity, Gratitude, Hope, Humor, and Zest for Enhancing Life Satisfaction.
- Journal of Happiness Studies, 2013, Vol. 14, 275 - 292
- 1389 4978
- English (Australia, Canada, UK, USA)
Eligible for inclusion in findings archive
- No, no valid measure of happiness used.