Table 1.

Sample characteristics.

	Mean (SD)		p
	TDn = 32	ASDn = 38
Age (years)	6.0 (1.2)	6.8 (1.2)	0.008
Full-scale IQ	119.1 (10.2)	100.5 (16.3)	<0.001
Performance-IQ	118.9 (13.6)	97.7 (17.7)	0.029
Verbal IQ	118.7 (11.8)	110.8 (16.8)	<0.001
MLU	4.7 (0.84)	4.3 (0.94)	0.07
NDR	449.8 (88.1)	422.3 (135.7)	0.31

MLU, mean length of utterance in morphemes; NDR, number of distinct word roots.