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An assessment to investigate the presence of autism spectrum disorder (ASD) has several different parts. Children and adults can be assessed for ASD. Some of the assessment tools that are used include:

  • The Autism Diagnostic Interview (ADI) – this takes 2 sessions and is a discussion with parents about their child’s developmental history, particularly focusing on the early developmental period between 4 and 5 years
  • The Autism Diagnostic Observation Schedule (ADOS) – a semi-structured, standardised assessment of communication, social interaction, play, and restricted and repetitive behaviours. The ADOS is play based for younger children and might involve some games and conversation with older children.
  • The Childhood Autism Rating Scales (CARS) – a rating scale including a parent questionnaire, focusing on symptom severity and allowing the severity of the symptoms to be rated.

An ASD assessment usually includes:

  1. Parent interview to gather the necessary background information about your child and their developmental history (1-2 sessions). Some additional questionnaires might be emailed for you to complete outside of the session.
  2. Cognitive assessment (1 session)
  3. Assessment of communication, social interaction and play (1 session)
  4. Optional – discussion with your child’s school teacher
  5. Parent feedback session, including a detailed assessment report with tailored recommendations for your child