Shoshani, Anat; Steinmetz, Sarit - In: Journal of Happiness Studies 15 (2014) 6, pp. 1289-1311
The present study evaluated a positive psychology school-based intervention aimed at enhancing mental health and …-grade students participated in a 1 year intervention program and were compared to 501 students in a demographically similar control … intervention participants, whereas symptoms in the control group increased significantly. In addition, the intervention …