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Autism Diagnostic Observation Schedule – Second Edition (ADOS-2) Workshop


The Autism Diagnostic Observation Schedule - Second Edition (ADOS-2) is a widely used standardized assessment tool for diagnostic assessments of autism.

The online workshop is for professionals who would like to gain additional skills in diagnosing autism using the ADOS-2 across ages, developmental levels and language skills.

It covers modules 1, 2, 3 and 4 as well as the Toddler module, and includes discussion about:

  • the use of the ADOS-2 in making a clinical diagnosis

  • administration, scoring, and use of ADOS-2 algorithms

  • issues related to differential diagnosis, diagnosis in context, complex clinical situations, and report writing

  • current research on ADOS-2


Learn more about what make our workshops unique


Small workshop sizes for better discussions and questions


Trainers bring extensive experience working with diverse age groups and populations, including from various cultural and linguistic backgrounds

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Certified trainers


Tailored advice and evidence-informed support for attendees working in clinical and research settings 


Accredited workshops



Workshops are offered in French or English​


Who should attend

  • New and experienced clinicians, researchers, and students who want to use or learn more about the ADOS-2

  • International and Canadian participants are welcome


  • This online workshop is offered over 6 half-days, and is equivalent to the in-person ADOS-2 Introductory Workshop offered over 3 full days

  • Participants must attend all sessions


Accreditation ensures participants that workshops meet McGill University's high educational standards.


Workshop materials

  • Participants must have access to an ADOS-2 Manual, as well as protocols for Modules 1, 2, 3, 4 and the Toddler Module

  • Materials can be in English, French or any of the official ADOS-2 translations

  • Contact us if you need information on how to purchase an ADOS-2 manual

Workshop fees

Regular fee: $1,250 CAD + taxes

Reduced fee: $1,150 CAD + taxes


The reduced fee applies to students; clinicians in the public healthcare system or the public school system in Canada; all participants from low-income or middle-income countries​

Meet the workshop leads

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Mandy [Steiman] is an excellent resource. Even with delivering the training remotely, via Zoom, she was able to establish a good connection with all participants. The questions were really useful. Having participants from a variety of disciplines and levels of training was also really useful (e.g., hearing perspective from pediatricians, psychologists, clinic vs. other settings was great).

Julie, Psychologist (Napanee, Ontario) 

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