Table 6.

The results of multivariate analysis of covariance to assess the impact of stress management skills training on the level of psychological well-being and its components in the posttest stage

Index	Sum of squares	Degree of freedom	Mean squares	F	Significance level	Eta square
Academic vitality	883.601	1	883.601	45.472	0.001	0.545
Purpose in life	810.003	1	810.003	19.585	0.001	0.341
Positive relations with others	1357.225	1	1357.225	42.097	0.001	0.526
Personal growth	810.001	1	810.001	67.574	0.001	0.640
Self-acceptance	1113.025	1	1113.025	70.287	0.001	0.649
Autonomy	792.100	1	792.100	55.761	0.001	0.595
Environmental mastery	1188.100	1	1188.100	51.363	0.001	0.575
Psychological well-being	36007.001	1	36007.001	212.607	0.001	0.848