Table 5.

Percentage of positive endorsement and chi-square results for DSM-IV TR criteria comparisons for the high-functioning ASD versus anxiety disorder groups

	High-functioning ASD		Anxiety disorder		Sensitivty	Specificity	Chi-square	Phi
	Present	Absent	Present	Absent
Social relatedness
Non-verbal behavior	33	22	7	16	60.00%	69.57%	5.67*	.27
Failure to develop peer relationships	39	16	11	12	70.90%	52.17%	3.76†	.22
Lack of seeking to share	18	37	1	22	32.73%	95.65%	7.09**	.30
Lack fo social/emotional reciprocity	27	28	7	16	49.09%	69.57%	2.75	.19
Communication
Delay/lack of speech	19	36	2	21	34.55%	91.30%	5.51*	.27
Impaired conversational ability	32	23	6	17	58.18%	73.91%	6.69**	.29
Stereotyped/repetitive/idiosyncratic language	27	28	4	19	49.09%	82.61%	7.53**	31
Lack of make-believe/imaginative play	23	32	4	19	41.82%	82.61%	4.28*	23
Restricted/repetitive/stereotyped patterns
Stereotyped/restricted pattern of interest	32	23	6	17	56.36%	73.91%	1.87	.17
Non-functional routine or ritual	35	20	11	12	63.64%	52.17%	0.89	.11
Stereotyped or repetitive motor mannerisms	33	22	7	16	60.00%	69.57%	0.64	.09
Preoccupation with parts of objects	7	48	2	21	12.73%	91.30%	0.26	.06

^**p < .01;

^*p < .05;

^***p < .07