Table 2.

Means and standard deviations for subscales of the Child Behavioral Checklist (mother report).

Measure	CRF group (n = 39)		PRF group (n = 48)		F	p
	M	SD	M	SD
Withdrawn/depressed	0.46	0.72	0.65	1.04	0.44	0.51
Anxious/depressed	2.28	2.50	1.92	2.59	0.88	0.35
Somatic complaints	0.95	1.38	0.96	1.09	0.001	0.97
Aggressive behavior	3.13	4.90	2.31	2.83	0.95	0.33
Rule-breaking behavior	1.15	1.63	0.65	0.96	3.28	0.07
Thought problems	1.59	2.04	1.69	2.10	0.048	0.83
Attention problems	1.92	2.49	2.50	2.67	1.07	0.31
Social problems	1.36	2.15	1.15	2.04	0.22	0.64
Other problems	2.31	2.20	2.15	2.38	0.11	0.75
Internalizing problem cluster	3.69	3.76	3.52	3.91	0.034	0.84
Externalizing problem cluster	4.28	6.35	2.96	3.46	1.53	0.22
Total problem scale	15.33	15.37	13.96	12.62	0.21	0.35

CRF, continuous reinforcement; PRF, partial reinforcement.