. Author manuscript; available in PMC: 2010 Mar 30.

Published in final edited form as: Behav Ther. 2008 Apr 3;39(4):375–385. doi: 10.1016/j.beth.2007.11.001

Table 3.

Means, Standard Deviations and Dependent Sample t-tests (N=28)

Measure	Pre Means	Post Means	Mean Difference	SE	t (27)	p	Effect size
Knowledge	30.12(4.86)	33.89(3.16)	−3.77	0.85	−4.44	<.001	.79
Feeling Angry	10.57(3.96)	9.40(3.87)	1.17	0.88	1.33	.20	.21
Blaming Attributions	26.85(12.38)	26.07(12.42)	0.79	1.84	0.43	.67	.09
Number of criticisms	0.25(0.44)	0.14(0.45)	0.11	0.13	0.83	.42	.10