Table 4.

Mean scores and standard deviations at pre- and post-measurement in the intervention and control groups

Scale	Group	Pre-M (SD)	Post-M (SD)	Post- and Pre-Wald Test change estimate (df = 1), One-tailed p-values.
Overall Stress	INTERVENTION	3.10 (1.45)	2.91 (1.23)	3.19
	CONTROL	2.80 (1.22)	2.91 (1.33)	p = 0.037*
School Stress	INTERVENTION	2.84 (0.81)	2.84 (0.77)	2.49
	CONTROL	3.00 (0.83)	2.85 (0.92)	p= 0.057
Academic Buoyancy	INTERVENTION	3.46 (0.83)	3.69 (0.75)	4.91
	CONTROL	3.73 (0.78)	3.74 (0.82)	p = 0.013*

In the INTERVENTION group, the participants from the iACTface and iACT groups (n = 123) were combined. CONTROL group n = 82

* = p < 0.05