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Table 2 Characteristics of participants for each task in experiment 1

From: Susceptibility to Ebbinghaus and Müller-Lyer illusions in autistic children: a comparison of three different methods

  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
  1. Mean (SD) range. IQ scores were assessed using the Wechsler Abbreviated Scales of Intelligence (WASI-II) [38]
  2. SCQ Social Communication Questionnaire [36], ADOS Autism Diagnostic Observation Schedule-2 [37], VIQ verbal IQ, PIQ performance IQ, FSIQ full-scale IQ