. Author manuscript; available in PMC: 2011 Oct 1.

Published in final edited form as: J Autism Dev Disord. 2010 Oct;40(10):1259–1273. doi: 10.1007/s10803-010-0983-1

Table 2.

Age equivalent mean and standard deviation (SD) scores on three language measures, broken down by receptive or expressive language scores, for each diagnostic group: autism group, pervasive developmental disorder-not otherwise specified (PDD-NOS) group, and developmental delay (DD) group

	Receptive language			Expressive language

	Autism	PDD-NOS	DD	Autism	PDD-NOS	DD
Mullen (n)	159	70	65	159	70	65
Mean (SD)	8.81 (6.84)	16.74 (8.40)	20.52 (8.03)	11.31 (6.48)	16.56 (7.79)	17.66 (9.09)
SICD (n)	120	51	45	119	51	44
Mean (SD)	7.70 (6.35)	14.82 (7.73)	19.89 (6.97)	9.61 (5.71)	10.7 (6.20)	16.36 (7.52)
Vineland (n)	172	69	60	161	69	58
Mean (SD)	10.48 (5.77)	16.30 (9.57)	21.27 (10.07)	8.57 (5.60)	13.49 (6.69)	15.66 (6.55)