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Development of the overt-covert aggression inventory
Takao Miyazaki1, Takahiro Shimizu, Gen Komaki
1Division of Psychosomatic Research, National Institute of Mental Health, National Center of Neurology and Psychiatry, Kounodai Ichikawa, Chiba, Japan. takamiya@ncnp-k.go.jp
Psychological Reports
|October 18, 2003
Summary
Researchers developed the Overt-Covert Aggression Inventory to uniquely assess aggressive behavior in Japanese individuals. The new scale demonstrates adequate reliability and concurrent validity for this population.
Area of Science:
- Psychology
- Cross-cultural psychology
Background:
- Aggression expression varies across cultures.
- A culturally specific measure for Japanese aggression is needed.
Purpose of the Study:
- To develop and validate the Overt-Covert Aggression Inventory (OCAI) for assessing Japanese aggressive behavior.
- To examine the reliability and validity of the OCAI.
Main Methods:
- The OCAI was administered alongside established psychological scales (CES-D, BP-AQ) and the Picture-Frustration Study.
- Data collected from 3,104 men and 316 women in a factory setting.
- Evaluated internal consistency, test-retest reliability, concurrent validity, and construct validity.
Main Results:
- The Overt-Covert Aggression Inventory demonstrated adequate reliability.
- Sufficient concurrent validity was confirmed for the OCAI.
- Further research is needed to fully establish construct and discriminant validity.
Conclusions:
- The Overt-Covert Aggression Inventory is a reliable and valid tool for assessing aggression in Japanese individuals.
- The OCAI captures unique aspects of aggression expression within the Japanese cultural context.
- Future research should focus on further validation of the OCAI's construct and discriminant properties.