Fig. 9

The mediating effect results of study 4(Ludus) Note: a, b, c are standardized coefficients, *P < 0.05,**P < 0.01,***P < 0.001.

The mediating effect results of study 4(Ludus) Note: a, b, c are standardized coefficients, *P < 0.05,**P < 0.01,***P < 0.001.