Psychometric properties of the questions about behavioral function scale in a child sample

Kurt A. Freeman, Michael Walker, Jeremy Kaufman

Research output: Contribution to journalArticlepeer-review

23 Scopus citations


The Questions About Behavioral Function (QABF) scale is a caregiver report form designed to identify behavioral functions important in maintaining aberrant behavior. In the present investigation, we evaluated the psychometric properties of the QABF with an outpatient sample of 91 children with developmental delays and significant aberrant behavior (e.g., physical aggression, self-injury, and property destruction). One caregiver completed the QABF and Motivation Assessment Scale on aberrant behavior identified in a preappointment interview for each child. Results indicate that the QABF exhibited fair to good internal consistency, strong corrected item-total correlations, acceptable intersubscale correlations, and convergent validity with the Motivation Assessment Scale. Implications of the results, potential utility of caregiver report instruments, study limitations, and future directions are discussed.

Original languageEnglish (US)
Pages (from-to)122-129
Number of pages8
JournalAmerican Journal on Mental Retardation
Issue number2
StatePublished - Mar 2007

ASJC Scopus subject areas

  • Education
  • Rehabilitation
  • Developmental and Educational Psychology
  • General Health Professions


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