This left limited room for improvement but stresses the need for further trials in high-risk groups. In the analysis stratified by baseline level of the total difficulties score, a more pronounced favorable effect of the intervention was observed among individuals scoring above the median for total...
While universal, school-based social-emotional learning programs have received much attention in recent years, there is limited evidence regarding their effect mechanisms on peer relationships and happiness. This study had two main aims; firstly, it aimed to assess the intervention effects of a novel...