GADS: Gilliam Asperger Disorder Scale Complete Kit

Age Range: 3-22 years, administration Time 5-10 minutes

GADS is the only test to distinguish between Asperger Disorder, autism and other behavioural disorders. Easily completed by a parent, or a professional who knows the child, GADS provides documentation about the essential behaviour characteristics of Asperger, necessary for diagnosis. It can be used with confidence in assessment, documenting behavioural progress, targeting goals for IEPs and for research.

Some of GADS’ most important features are:

  • 32 items, divided into 4 subscales, which describe specific, observable and measurable behaviours
  • 8 parent feedback items, relating to the child’s first 3 years of life
  • Objective, frequency-based behaviour ratings
  • Easily completed by parents, teachers or others who have the greatest opportunity to observe the individual
  • Standard scores and percentiles provided
  • Includes a list of books, journals, media, Internet sites and organizations providing information on the disorder

Price (excl. VAT):


This product is accessible only to clients in the Republic of Ireland who align with the designated qualification code standards.

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