Table 2.

Pre- and Posttreatment Outcomes by Group

	Experimental		Control		Time effect		Group × Time
Variable/Treatment	Mean	SD	Mean	SD	F(2, 44)	Partial η2	F	Partial η2
Intervals inappropriate behavior (%)
Pre-	52.91	29.37	47.06	23.39	21.25***	0.37	19.52***	0.37
Post-	11.98	13.30	46.19	22.52
Child-directed praise
Pre-	5.27	3.33	3.65	3.03	7.70**	0.15	2.60	0.06
Post-	9.27	8.02	4.83	5.46
CBCLa
Total Problems T Score
Pre-	63.24	9.58	63.78	12.70	20.34***	0.33	5.28*	0.11
Post-	57.62	9.03	61.96	12.25
Internalizing Problems T Score
Pre-	60.71	8.92	59.91	11.87	9.52**	0.18	5.89*	0.12
Post-	55.62	9.39	59.30	10.17
Externalizing Problems T Score
Pre-	62.19	11.60	63.00	14.45	16.55***	0.28	2.53	0.06
Post-	56.33	10.45	60.43	14.23
FIQb Negative Impact Composite
Pre-	29.55	13.40	29.48	11.48	8.62**	0.17	0.82	0.02
Post-	25.10	11.67	27.13	11.83
FIQb Positive Impact Composite
Pre-	10.90	4.74	10.61	4.74	11.41**	0.21	2.56	0.06
Post-	13.10	4.43	11.39	4.56

Note. Experimental n = 21; control. n = 23.

^aChild Behavior Checklist for Ages 1½–5.

^bFamily Impact Questionnaire.

^*p < .05.

^**p < .01.

^***p < .001.