TEACCH-based group social skills training for children with high-functioning autism: a pilot randomized controlled trial

Table 3 Means, differences and effect sizes for intervention and control groups

Scale	Point	Intervention (n=5) Mean (SD)	Control (n=6) Mean (SD)	Difference^a	95% confidence interval	Effect size (d)
SDQ	Baseline	19.0 (3.5)	13.2 (3.3)
SDQ	After 6 months	14.4 (4.7)	12.5 (3.2)	-3.12	-8.42, 2.18	0.71
PSI	Baseline	226.2 (31.5)	198.2 (26.8)
PSI	After 6 months	213.0 (34.8)	204.3 (36.3)	-18.12	-55.75, 19.50	0.58
BDI-II	Baseline	16.0 (7.7)	9.8 5.3)
BDI-II	After 6 months	12.8 (10.3)	8.5 (4.8)	-2.77	-6.30, 0.75	0.40
IRS-total	Baseline	38.9 (4.8)	41.5 (3.0)
	After 6 months	40.2 (5.1)	39.7 (6.0)	2.72	-5.83, 11.27	0.69

^aDifference: difference of scores between Intervention and Control groups, with baseline scores as a covariate.
SDQ: Strengths and Difficulties Questionnaire, PSI: Parenting Stress Index, BDI-II: Beck Depression Inventory-II, IRS: Interaction Rating Scale.

ISSN: 1751-0759