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Adaptive Behavior Assessment System® Second Edition

Patti L. Harrison, Ph.D., & Thomas Oakland, Ph.D.

    Technical Information

    Norms, based on ratings of more than 3,200 individuals in 31 age groups, are stratified by sex, race/ethnicity, and level of education. In addition to typically developing participants, the standardization sample included 20 clinical groups, representing disorders such as autism, ADHD, and visual impairment.


Patti L. Harrison, Ph.D.
Thomas Oakland, Ph.D.

Age Range Birth to 89 years

Administration Time 15 to 20 minutes

Administration Type Clinician-administered

Qualification Level B

  • Handscored
  • Software