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Table 8 Time spent administering and scoring diagnostic tools

From: Practice patterns and determinants of wait time for autism spectrum disorder diagnosis in Canada

Tools Number using tool Median (min) Range (min) Interquartile range (min)
Autism Diagnostic Observation Schedule (ADOS) 29 60 30–120 60–79
Autism Diagnostic Interview–Revised (ADI-R) 15 90 20–120 53–105
Childhood Autism Rating Scale 9 20 15–60 15–30
Social Responsiveness Scale 8 10 5–45 10–15
Vineland Adaptive Behavior Scales 7 45 18–90 38–60
Social Communication Questionnaire 4 23 10–45 18–30
M-CHAT 4 NS
Adaptive Behavior Assessment System 2 10
“DSM-5 criteria” 2 NS
“Cognitive assessment” 2 90
Mullen Scales of Early Learning 1 60
“Neurodevelopmental assessment” 1 45
“Academic screen” 1 40
Peabody Picture Vocabulary Test 1 30
Beery-Butenica Test of Visual-Motor Integration 1 20
Bayley Scales of Infant Development 1 NS
Diagnostic Interview for Social and Communication Disorders
None 12    
  1. NS not specified, responses appearing in quotations are written-in responses not corresponding with an identified tool