Table 7.

Cohen’s d and pretest–posttest and pretest–follow-up percentages of change in the experimental group.

	Cohen’s d		% of Change
Variables	Posttest	Follow-up	Pretest–posttest	Posttest–follow-up
State Anger	0.61	0.37	-13.56	-8.17
Angry Feelings	0.69	0.50	-23.28	-16.41
Physical Expression of Anger	0.04	0.14	-1.34	4.22
Verbal Expression of Anger	0.25	0.17	-9.61	-6.74
Trait Anger	0.25	0.36	-3.99	-5.36
Angry Temperament	0.59	0.41	-8.64	-5.71
Angry Reaction	0.36	0.27	-7.29	-5.43
Expression-Out	0.44	0.11	-7.59	-3.44
Expression-In	1.28	0.77	-26.91	-20.78
Control-Out	0.11	0.23	1.99	5.53
Control-In	0.63	0.51	13.25	10.23
Anger Expression Index	0.22	0.10	6.41	3.06
State Anxiety	1.01	1.27	-24.18	-27.91
Trait Anxiety	0.39	0.47	-9.83	-11.45
Depression	0.68	0.77	-13.81	-15.96