Your Q-global Login is changing, find out more here.

Effective January 1, 2026, Pearson Canada Assessment will no longer distribute Western Psychological Services instrument products.

Select your Language

${loserAccounts} been merged into ${winnerAccount}.

A recent audit found these accounts to be duplicative. Addresses, order history and Q-global ordering for both accounts are now accessible via the ${winnerAccount} account. If something isn’t right, please contact us.

${loserAccounts} been merged into ${winnerAccount}.

A recent audit found these accounts to be duplicative. Addresses, qualified users, order history and Q-global ordering for both organizations are now accessible via the ${winnerAccount} account. If something isn’t right, contact us.

ABAS-3 Manual

Adaptive Behavior Assessment System | Third Edition

ABAS-3
Adaptive Behavior Assessment System Third Edition (ABAS-3) gives a complete picture of adaptive skills across the lifespan. It is particularly useful for evaluating those with developmental delays, autism spectrum disorder, intellectual disability, learning disabilities, neuropsychological disorders, and sensory or physical impairments.

As of January 1, 2026, this WPS product is no longer available through Pearson Canada Assessment. Comparable Pearson assessment options include Vineland™-3 .

Overview

Publication date:
2015

Age range:
Birth–89:11

Qualification level:
B

Qualification Level

 

Level A

This approval level enables you to buy our assessments that require no professional degree, accreditation, organization membership, or license/certificate.

Level B

This approval level enables you to buy our assessments requiring A or B qualification levels.

Level C

This approval level enables you to buy all our assessments.

Completion time:
15 – 20 minutes for each rating form

Forms:

Behavior rating scale typically completed by parent, caregiver, and/or teacher; self-rating option for adults: Parent/Primary Caregiver Form (Ages 0–5), Teacher/Daycare Provider Form (Ages 2–5), Parent Form (Ages 5–21), Teacher Form (Ages 5–21), Adult Form (Ages 16–89)

Scoring options:
Scoring Assistant® software

Norms:
Based on a large sample representative of the U.S. population

Product Details

Retaining all of the essential features that made the second edition the preferred instrument, the ABAS-3 is even easier to administer and score.

 

Benefits

 
  • Assess adaptive skills.
  • Diagnose and classify various developmental, learning, and behavioral 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 Social Security disability benefits, and evaluate capacity to live or work independently.
  • Facilitate research and program evaluation.
 

Features

 
  • New norms, updated item content, and improved ease of use.
  • Coverage of individuals from birth to 89 years of age.
  • Assessment of 11 essential skill areas within 3 major adaptive domains: Conceptual, Social, and Practical.
  • Compatible with AAIDD, DSM-5, and IDEA.
  • Available in print, software, and online evaluation formats.
 

Related Items

Vineland Adaptive Behavior Scales | Third Edition

Sensory Profile 2

Behavior Assessment System for Children | Third Edition