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 |