Table 2.

Characteristics of participants for each task in experiment 1

	Ebbinghaus		Müller-Lyer
Characteristic	Autistic	Typically developing	Autistic	Typically developing
N	29	33	33	47
Age	10.09 (2.06)	9.33 (1.95)	10.46 (2.00)	9.86 (1.95)
	6.27–14.28	6.63–13.47	7.41–14.28	6.18–13.75
PIQ	101.66 (16.70)	103.27 (14.70)	100.48 (14.28)	101.53 (13.29)
	75–141	78–131	75–128	74–131
VIQ	98.28 (17.22)	108.67 (8.82)	97.48 (14.22)	110.60 (11.49)
	71–130	91–132	73–126	77–135
FSIQ	99.69 (16.02)	106.85 (10.96)	98.67 (12.59)	107.13 (11.39)
	73–129	90–131	76–119	81–131
SCQ	22.62 (6.57)	4.63 (3.19)	22.55 (6.68)	3.90 (3.25)
	5–33	0–12	5–35	0–13
ADOS total	11.37 (5.49)		10.60 (4.83)
	2–22		2–22

Mean (SD) range. IQ scores were assessed using the Wechsler Abbreviated Scales of Intelligence (WASI-II) [38]

SCQ Social Communication Questionnaire [36], ADOS Autism Diagnostic Observation Schedule-2 [37], VIQ verbal IQ, PIQ performance IQ, FSIQ full-scale IQ