Differential effects of anxiety and autism on social scene scanning in males with fragile X syndrome

Table 2 Descriptive statistics and alpha level for the ADOS, SCQ, and SCAS-P measures

Measure	FXS	TD	t	df	p
ADOS
Mean raw total score (SD)	8.64 (5.12)	NA
Range	2–22
% meeting cut-off for ASD	72.73
% meeting cut-off for autism	18.18
Social Communication Questionnaire^a
Mean raw total score (SD)	17.57 (6.27)	2.89 (2.37)	−6.569	16	<.001
Range	6–27	0–6
% meeting cut-off for ASD	77.7	0
% meeting cut-off for autism	22.22	0
Spence Child Anxiety Scale^b
Mean raw Social Phobia score (SD)^c	4.33 (4.53)	2.63 (2.26)	−.967	16	.348
Range	0–14.4	0–6
Mean raw total score (SD)^d	19.54 (16.95)	9.38 (5.32)	−1.625	16	.124
Range	1–49	1–20

^aSCQ was not completed for two TD participants and two FXS participants
^bSCAS-P was not completed for three TD participants and one FXS participant
^cThe maximum Social Phobia score on the SCAS-P is 18. Normative data obtained from Nauta et al. [31] indicate a mean score of 7.3 for anxiety-disordered and a mean score of 4.3 for typically developing boys aged 6–11 years
^dThe maximum total score on the SCAS-P is 114. Normative data obtained from Nauta et al. [31] indicate a mean total score of 31.4 for anxiety-disordered and 16.0 for typically developing boys aged 6–11 years

ISSN: 1866-1955