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Measuring Anger Types among Malaysian Adolescents using the Rasch Model
Ahmad Zamri Khairani1, Nor Shafrin Ahmad, Mohd Zahuri Khairani
1Ahmad Zamri Khairani, School of Educational Studies, 11800 Universiti Sains Malaysia, Penang, Malaysia, Ahmadzamri@usm.my.
This study developed the Adolescent Anger Inventory (AAI) to measure anger types in Malaysian youth. The validated AAI scale effectively measures anger but needs refinement for assessing high levels of physical aggressive anger.
Area of Science:
- Psychology
- Developmental Psychology
- Educational Psychology
Background:
- Adolescence is a critical developmental stage marked by significant physiological and psychological changes.
- Misunderstanding these changes can lead to conflicts affecting adolescents emotionally and physically.
- Anger is a common emotional response to these adolescent conflicts.
Purpose of the Study:
- To develop and validate the 34-item Adolescent Anger Inventory (AAI).
- To measure various types of anger experienced by Malaysian adolescents.
- To assess the psychometric properties of the AAI using the Rasch model.
Main Methods:
- Development and validation of the Adolescent Anger Inventory (AAI).
- Utilized a sample of 2,834 Malaysian secondary school adolescents.
- Applied the Rasch model measurement framework for data analysis.
Main Results:
- The 4-response category scale demonstrated satisfactory performance.
- 11 items were removed due to not fitting model expectations, resulting in a refined scale.
- The final scale showed good reliability and separation, with no differential item functioning (DIF) between 14- and 16-year-olds.
Conclusions:
- The Adolescent Anger Inventory (AAI) is a reliable and valid measure for assessing anger types in Malaysian adolescents.
- The scale demonstrates good psychometric properties and is suitable for use across different age groups within adolescence.
- Further development is needed to enhance the AAI's capacity for measuring high levels of physical aggressive anger in adolescents.
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