Table 2.

Means, standard deviations, and rmAnova statistics for study variables.

	Treatment group		Control group		rmAnova
Variables	M	SD	M	SD	Effect	F-ratio	df	ηp2	95% CI
Stress
Time 1	50.10	1.45	49.85	1.47	G	67402.80∗	1, 158	0.99	[49.7,50.2]
Time 2	14.40	2.69	51.15	2.76	T	3119.44∗	2, 316	0.95	[32.3, 33.2]
Time 3	15.60	2.37	50.20	2.87	G × T	3436.07∗	2, 316	0.96	[32.4, 33.3]
Irrational beliefs
Time 1	72.30	3.12	72.45	2.34	G	13798.04∗	1, 158	0.99	[71.9,72.8]
Time 2	23.30	3.98	73.95	2.89	T	4383.89∗	2, 316	0.97	[48.1, 49.2]
Time 3	21.20	2.17	71.35	2.45	G × T	4425.35∗	2, 316	0.97	[45.9, 46.6]

CI = confidence interval, G × T = group × time interaction, G = group, M = mean, N = 125, SD = standard deviation, T = time.

^∗P < .05.