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Validation of the Novaco Anger Scale-Provocation Inventory (Danish) With Nonclinical, Clinical, and Offender Samples.

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Summary

The Novaco Anger Scale and Provocation Inventory (NAS-PI) was validated in Danish for assessing anger in clinical and forensic populations. Findings show NAS-PI is reliable and valid for measuring anger and predicting aggressive behavior.

Keywords:
Novaco Anger Scale and Provocation Inventoryaggressionanger assessmentcross-cultural scale validationhospital violence

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Area of Science:

  • Psychology
  • Clinical Psychology
  • Forensic Psychology

Background:

  • Anger is prevalent in clinical and forensic settings, linked to aggression.
  • Danish mental health systems face challenges with dysregulated anger.
  • No validated anger assessment instruments exist in Danish.

Purpose of the Study:

  • Translate and validate the Novaco Anger Scale and Provocation Inventory (NAS-PI) for Danish use.
  • Evaluate psychometric properties across diverse populations.
  • Examine anger prevalence and its relation to aggression.

Main Methods:

  • Translated and administered the NAS-PI to nonclinical, clinical, prisoner, and forensic samples.
  • Assessed reliability, concurrent validity, and discriminant validity.
  • Conducted regression analyses to test predictive validity for aggression.

Main Results:

  • The Danish NAS-PI demonstrated high reliability and validity.
  • Scores effectively discriminated between different participant groups.
  • Higher NAS scores predicted past and future physically aggressive behavior in forensic patients.

Conclusions:

  • The validated Danish NAS-PI is a reliable tool for anger assessment in various populations.
  • The instrument is feasible for use with offender populations.
  • NAS-PI scores predict aggressive behavior, aiding clinical formulation and risk assessment.