ABERRANT BEHAVIOR CHECKLIIST 2ND EDITION

• Extensive combined Manual for both Community and Residential use.

• Normative data for multiple populations including intellectual disability, ASD, Fragile-X; for children (5 years +-, adolescents & adults.

• Contains previously unpublished norms.

• Summarizes 30+ years of research, including extensive data on validity, reliability, and documentation of intervention effects.

The 58 Items Resolve into Five Subscales:

• Irritability
• Social Withdrawal
• Stereotypic Behavior
• Hyperactivity/Noncompliance
• Inappropriate Speech

Other details about the ABC-2 you need to know:

1. Empirically developed by factor analysis on data from 1,000 individuals
2. Detailed Guidelines for good clinical practice including instructing raters, identifying clinically significant scores and offering solutions for numerous clinical and/or research challenges.
3. Detailed Subscale Norms are available for children and adults living in the community and in congregate facilities.
4. Translated into over 35 foreign languages, the ABC-2 has been employed in over 420 research studies.
5. ABC-2 has become the standard in the developmental disabilities field for assessing challenging behaviors.
6. Extensive Psychometric Assessment of the ABC-2 has indicated that the Subscales have high internal consistency, good reliability, and well established validity.