Table 5. Module 3 activities.

Activity	Required for exam?
Construction task	No
Make-believe play	No
Joint interactive play	Yes
Demonstration task	No
Description of a picture	Yes
Telling a story from a book	Yes
Cartoons	No
Conversation and reporting	Yes
Emotions	No
Social difficulties and annoyance	Yes
Break	Yes
Friends and marriage	Yes
Loneliness	Yes
Creating a story	No

Abbreviation: ADOS, Autism Diagnostic Observation Schedule.

List of the 14 observational activities administered in module 3 of the ADOS-2. Of the 14, only 8 are needed to measure the behaviors needed by the support vector machine classifier (Supplemental Discussion).