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The Brief Aggression Questionnaire: Structure, Validity, Reliability, and Generalizability.

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The Brief Aggression Questionnaire (BAQ) is a reliable and valid 12-item measure for assessing aggressive traits efficiently. It demonstrates strong psychometric properties across diverse samples and predicts behavioral aggression.

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Area of Science:

  • Psychology
  • Psychometrics

Background:

  • Researchers need brief, reliable, and valid self-report measures for aggression.
  • The 12-item Brief Aggression Questionnaire (BAQ) assesses Physical Aggression, Verbal Aggression, Anger, and Hostility.

Purpose of the Study:

  • To further validate the Brief Aggression Questionnaire (BAQ).
  • To assess the BAQ's psychometric properties, including factor structure, reliability, and validity.

Main Methods:

  • Conducted 3 studies with 1,279 participants.
  • Utilized factor analysis, test-retest reliability assessments, and convergent validity analyses with other aggression measures.

Main Results:

  • Confirmed a 4-factor structure for the BAQ.
  • Demonstrated long-term test-retest reliability over 12 weeks.
  • Showed convergent validity with behavioral and trait aggression measures, and generalized to a diverse sample.

Conclusions:

  • The BAQ is a reliable and valid measure for assessing aggressive traits.
  • Its efficiency makes it suitable for experience sampling, longitudinal, and field studies.
  • The BAQ's subscales, particularly Anger, show good convergent validity.