GADS

Gilliam Asperger’s Disorder Scale

Purpose: Identifies individuals with unique behavioral problems who may have Asperger's disorder

Format: Paper and pencil

Age range: 3 years to 22 years

Time: 5–10 minutes

DETAILS:

The GADS is used to assess individuals with unique behavioral problems that may indicate a possible diagnosis of Asperger’s disorder.

Items describe specific, observable, measurable behaviors

• Thirty-two clearly stated items are divided into four subscales; eight additional items regarding their child’s development during the first three years of life are included for parents.

• Items are based on the most current definitions of Asperger’s disorder.

• Behaviors are rated using an objective, frequency-based format; standard scores and percentiles are provided.