Psychological parameters
There were no significant time × group interactions for  PANAS+ (F(1,38) = 0.65, Changes in psychological outcomes from before to after intervention for the intervention group (IG) and control group (CG).Data expressed as means ± standard deviations. Only the PSS revealed a significant main effect for time (F(1,38) = 10.94, Furthermore, no significant group effects could be revealed for PANAS+ (F(1,38) = 0.07, 