Table 3.

Adaptive functioning as measured with the Vineland for groups matched on nonverbal developmental age equivalents and t tests

	ASD			Non-ASD			t	df	p <*
	N	Mean	SD	N	Mean	SD
Communication	68	1.14	0.55	40	1.29	0.37	1.50	106	NS
Receptive	68	1.19	0.63	40	1.64	0.63	3.54	106	0.001
Expressive	68	1.03	0.57	40	1.15	0.44	1.13	106	NS
Written	68	2.14	1.27	40	1.39	0.35	−3.64	106	0.000
Daily living skills	68	0.34	0.28	40	1.50	0.44	2.27	106	NS
Personal	68	1.30	0.35	40	1.46	0.50	1.96	106	NS
Domestic	68	1.52	0.29	40	1.67	0.50	1.99	106	NS
Community	68	0.91	0.47	40	1.15	0.57	2.32	106	NS
Socialization	68	0.96	0.38	40	1.20	0.34	3.32	106	0.001
Interpersonal	68	0.78	0.50	40	1.03	0.42	2.54	106	0.01
Play	68	1.01	0.39	40	1.27	0.35	3.36	106	0.001
Coping	68	1.08	0.35	40	1.18	0.41	1.33	106	NS
Motor skills	68	1.67	0.48	40	1.57	0.50	−1.06	106	NS
Gross motor	68	1.75	0.52	40	1.64	0.57	−0.96	106	NS
Fine motor	68	1.57	0.54	40	1.45	0.42	−1.19	106	NS
Composite AE	68	1.29	0.37	40	1.39	0.38	1.40	106	NS

^*Domains or subdomains found to significantly differentiate the two groups at the p < 0.01 level are in bold