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Related Experiment Videos

Development, reliability, and validity of the children's aggression scale-parent version.

Jeffrey M Halperin1, Kathleen E McKay, Jeffrey H Newcorn

  • 1Department of Psychology, Queens College of the City University of New York, and Mount Sinai School of Medicine, Flushing 11367, USA. jeffrey_halperin@qc.edu

Journal of the American Academy of Child and Adolescent Psychiatry
|March 12, 2002
PubMed
Summary

The Children's Aggression Scale-Parent Version (CAS-P) shows strong reliability for assessing aggressive behaviors in children. It effectively differentiates types and severity of aggression, aiding in clinical assessment.

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Area of Science:

  • Child Psychology
  • Behavioral Science
  • Psychometrics

Background:

  • Aggressive behaviors in children present a diagnostic challenge.
  • Existing tools may not fully capture the nuances of aggression.
  • Differentiating aggression from other disruptive behaviors is crucial for effective intervention.

Purpose of the Study:

  • To present preliminary psychometric data for the Children's Aggression Scale-Parent Version (CAS-P).
  • To evaluate the CAS-P's ability to assess severity, frequency, pervasiveness, and diversity of aggressive behaviors.
  • To establish the CAS-P as a distinct measure of aggression, separate from nonaggressive disruptive behaviors.

Main Methods:

  • The CAS-P, comprising 33 items across five domains (Verbal Aggression, Aggression Against Objects/Animals, Provoked/Unprovoked Physical Aggression, Use of Weapons), was administered to 73 clinically referred children.

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  • Scale validity was assessed using dimensional correlations with other parent/teacher scales and categorical comparisons across diagnostic groups (ADHD, ODD, CD).

    • Main Results:

    • The CAS-P demonstrated excellent internal consistency (alpha = .93).
    • Children with conduct disorder scored significantly higher than those with oppositional defiant disorder, who in turn scored higher than those with ADHD alone.
    • Correlations with established scales supported the CAS-P's validity, though it did not differentiate ADHD-only from clinical control groups.

    Conclusions:

    • The CAS-P effectively measures distinct components of aggressive behavior.
    • The scale may address a gap by distinguishing between types, severity, and contexts of aggression.
    • Preliminary data suggest the CAS-P is a valuable tool for assessing childhood aggression.