Psychology RootsNovaco Anger Scale (NAS)
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About Novaco Anger Scale (NAS)
Scale Name
Novaco Anger Scale (NAS)
Author Details
Raymond W. Novaco
Translation Availability
English
Background/Description
The Novaco Anger Scale (NAS) is a comprehensive tool designed by Raymond Novaco to assess anger as an emotional state and its impact on individuals’ behavioral responses. Anger is often a precursor to aggressive actions, making it crucial to understand and manage in both clinical and forensic settings. The NAS consists of a self-report inventory with two parts: the Novaco Anger Scale (NAS) and the Provocation Inventory (PI). The NAS assesses overall anger levels, while the PI evaluates an individual’s response to specific provocations that may lead to anger. The scale is used widely in both clinical practice and research, helping professionals understand anger levels in populations such as nonclinical individuals, patients, and offenders. The tool is particularly valuable in forensic and correctional settings, where anger management is a core focus of therapeutic intervention.
Administration, Scoring and Interpretation
- Obtain the Copy: The NAS is accessible via licensed distributors or psychological assessment publishers.
- Purpose: To evaluate anger intensity and provocation response, providing insights into anger management needs and potential interventions.
- Instructions: The respondent rates their reactions to anger-provoking situations and the intensity of their anger using a Likert scale format.
- Time: Approximately 25-30 minutes for completion.
- Administer the Scale: This tool can be self-administered or administered in interview format, depending on the population and the setting.
Reliability and Validity
The NAS exhibits strong psychometric properties, with high internal consistency and reliability across different populations, including clinical and offender groups. Cronbach’s alpha values for the NAS and PI sections generally range between 0.80 and 0.90, indicating excellent reliability. The scale has demonstrated convergent and discriminant validity, showing its effectiveness in measuring anger independently of related constructs, such as depression or anxiety. In forensic and clinical samples, the NAS has been validated and found predictive of aggressive incidents, enhancing its utility in risk assessment and treatment planning.
Available Versions
25-Items
Reference
Moeller, S. B., Novaco, R. W., Heinola-Nielsen, V., & Hougaard, H. (2016). Validation of the Novaco Anger Scale–Provocation Inventory (Danish) with nonclinical, clinical, and offender samples. Assessment, 23(5), 624-636.
Novaco, R. W. (2010). Validation of the Novaco Anger Scale-Provocation Inventory (Danish) with nonclinical, clinical, and offender samples. Assessment, 17(3), 390-407. https://doi.org/10.1177/1073191109353754
Important Link
Scale File:
Frequently Asked Questions
What does the NAS measure?
The NAS measures anger intensity and reactions to provocations in daily life.
Who is the NAS intended for?
It is suitable for a range of populations, including clinical, nonclinical, and forensic individuals.
How long does it take to complete the NAS?
The scale takes about 25-30 minutes to complete.
Is the NAS used for treatment planning?
Yes, the NAS results can guide anger management and therapy approaches, especially in clinical and forensic contexts.
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