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Adaptive Behavior Assessment System - Third Edition (ABAS-3)

P. Harrison, T. Oakland

Provides a complete assessment of adaptive skills across the life span

PCTA distributes but does not publish this product.

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Technical Information

Age range: Birth to 89 years

Qualification level: B

Year: 2015

Administration time: 15 to 20 minutes

Administration type: Individual; Online, software or manual scoring

The third edition of this highly regarded assessment gives you a complete picture of adaptive skills across the life span. Retaining all of the essential features that made the second edition the preferred instrument, the ABAS-3 is even easier to administer and score. It is particularly useful for evaluating those with developmental delays, autism spectrum disorder, intellectual disability, learning disabilities, neuropsychological disorders, and sensory or physical impairments.

PCTA distributes but does not publish this product.

Technical Information

Use the ABAS-3 to:

  • Assess adaptive skills
  • Assist in diagnosing and classifying various developmental, learning, and behavioural disabilities and disorders
  • Identify strengths and weaknesses
  • Develop treatment plans and training goals
  • Document and monitor progress over time
  • Determine eligibility for services such as disability pension, and evaluate capacity to live or work independently
  • Facilitate research and program evaluation


  • New norms, updated item content, and improved ease of use
  • Covers individuals from birth to 89 years of age
  • Assesses 11 essential skill areas within 3 major adaptive domains: Conceptual, Social, and Practical
  • Identifies strengths and weaknesses
  • Integrates assessment, intervention planning, and progress monitoring
  • Compatible with AAIDD, DSM-5, and IDEA
  • Available in paper-pencil and software formats


Information for those who are using the ABAS-3 Desktop Software. Download the information here > ABAS-3 Update

Please note the Adaptive Behavior Assessment System, Third Edition (ABAS-3) is not MAC compatible.