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Gilliam Asperger's Disorder Scale (GADS)

Author(s): James E. Gilliam
Publisher: Pro-ED USA, 2001
SKU code: PG_GADS

Overview

Purpose: Evaluate individuals with unique behaviour problems who may have Asperger's Disorder

Age: 3-22 years

Time: 5-10 minutes

The Gilliam Asperger’s Disorder Scale (GADS) can be used to distinguish Asperger Disorder from Autistic Disorder. It provides documentation about the essential behaviour characteristics necessary for diagnosis and can be used to document behavioural progress, to target goals for Individualized Education Programs (IEP), and for research purposes.

The GADS can be completed by a parent or professional (at school or at home) - someone with ample opportunity to observe the child.

Key Features

  • Thirty-two items divided into four subscales depict specific, observable, and measurable behaviours
  • The addition of two- and three-dimensional drawings for older children and adults can reveal subtle visual-motor integration deficits
  • A completely nonverbal format makes the test appropriate for individuals from all cultural and ethnic backgrounds
  • Eight additional items are included so that parents can contribute information about their child's development during the first 3 years of life
  • Items are founded on the most up-to-date definitions of Asperger's Disorder
  • The GADS was normed on 371 representative subjects with Asperger's Disorder from 27 states, the District of Columbia, Canada, and Australia
  • Behaviours are rated using objective, frequency-based ratings.
  • Percentiles and standard scores are provided
  • A table is provided for determining the likelihood that a subject has Asperger's Disorder
  • A list of journals, books, media, Internet sites, and organisations concerned about Asperger's Disorder are provided to give teachers, parents, and others information about Asperger's Disorder

Scales

  • Asperger's Disorder
  • Restricted Patterns
  • Social Interaction
  • Pragmatic Skills

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Author(s): James E. Gilliam