Table 7.

Differences between key variables in the experiment group at T1 and T2.

T2–T1	M	SD	t	p
Negative emotions **	−0.27	0.60	−2.71	0.009
Relationship-related mental health *	0.26	0.89	2.08	0.04
Schoolwork-related mental health **	0.29	0.78	2.76	0.008

Note: * p < 0.05, ** p < 0.01.