Table 9.

Repeated measures ANOVA for negative affect score.

Source	Sum of squares	df	Mean square	F	Sig.	ηp2
Group	58.75	2	29.38	1.95	0.158	–
Error Between	496.24	33	15.04
Pre-Post	164.89	2	82.45	8.72	0.001*	0.209
Interaction	86.52	4	21.63	2.29	0.069	–
Error Within	623.91	66	9.45

^*P < 0.05.