Table 1.

Means and standard deviations for the subsample students (N = 211).

	M	SD
Total difficulty score
Training	19.59	4.98
Training + coaching	19.92	4.66
Control	20.04	4.31
Pro-social score
Training	8.05	1.68
Training + coaching	7.83	1.88
Control	7.76	1.55