Table 4.

Results of multivariate analysis of variance for comparing the mean posttest scores of variables in the study groups.

n	Value	F	Hypothesis df	Error df	Significant	η 2
Pillai's trace	0.86	19.47	3	29	0.001	0.86
Wilks's lambda	0.13	19.47	3	29	0.001	0.86
Hoteling's trace	6.49	19.47	3	29	0.001	0.86
Roy's largest rot	6.49	19.47	3	29	0.001	0.86