Table 4.

Tests of within group differences (6-month follow-up—baseline assessments)

Outcome variable	No of cases used in analyses	Condition	Contrast estimate	SE	Z statistic	p value	Effect size (Cohen’s d)
Iowa CRS OD	312	MFG	−1.75	0.31	−5.64	0.00**	0.50
		SAU	−0.30	0.44	−0.69	0.49	0.09
SSRS-SSS	309	MFG	4.67	0.90	5.20	0.00**	0.43
		SAU	1.80	1.21	1.49	0.14	0.17
IRS #1	316	MFG	−0.95	0.13	−7.57	0.00**	0.65
		SAU	−0.60	0.18	−3.35	0.00**	0.41
IRS #2	315	MFG	−0.99	0.13	−7.73	0.00**	0.68
		SAU	−0.53	0.18	−2.89	0.00**	0.36
IRS #3	316	MFG	−0.86	0.13	−6.41	0.00**	0.56
		SAU	−0.83	0.19	−4.31	0.00**	0.54
IRS #4	316	MFG	−0.96	0.13	−7.42	0.00**	0.65
		SAU	−0.34	0.18	−1.86	0.06+	0.23
IRS #5	316	MFG	−0.94	0.12	−7.78	0.00**	0.65
		SAU	−0.24	0.17	−1.37	0.17	0.16
IRS #6	316	MFG	−1.30	0.12	−11.17	0.00**	1.16
		SAU	−0.78	0.17	−4.63	0.00**	0.69

IOWA Connors OD = Iowa Connors Oppositional/Defiant Subscale; SSRS-SSS = Social Skills Rating Scale Social Skills Subscale; IRS #1 = Impairment Rating Scale Impairment with Playmates; IRS #2 = Impairment Rating Scale Impairment with parents; IRS #3 = Impairment Rating Scale Impairment with Academics; IRS #4 = Impairment Rating Scale Impairment with Self-Esteem; IRS #5 = Impairment Rating Scale Impairment with family; IRS #6 = Impairment Rating Scale Overall Impairment/Need for Services

⁺p <.10;

^*p <.05;

^**p <.01