Proyer, R. T., Gander, F., Wellenzohn, S., & Ruch, W. (2015). Strengths-Based Positive Psychology Interventions: A Randomized Placebo-Controlled Online Trial on Long- Term Effects for a Signature Strengths vs. a Lesser Strengths-Intervention. Frontiers in Psychology, 6, 456. https://doi.org/10.3389/fpsyg.2015.00456

has been cited by the following article: