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A normative study of the Coolidge Axis II Inventory
1University of Alberta.
Journal of Clinical Psychology
|November 1, 1996
Summary
The Coolidge Axis-II Inventory (CATI) effectively measures DSM-IV personality disorders. Findings reveal gender differences in antisocial traits and higher scores in younger individuals across several personality disorder scales.
Area of Science:
- Psychology
- Clinical Psychology
- Psychometrics
Background:
- The Coolidge Axis-II Inventory (CATI) is a 200-item self-report measure for diagnosing DSM-IV personality disorders.
- Understanding normative data across diverse populations is crucial for accurate clinical assessment.
Purpose of the Study:
- To compare norms of the CATI between Canadian and US college student samples.
- To examine age and gender differences on DSM-IV personality disorder scales within these samples.
Main Methods:
- The CATI was administered to 1,790 Canadian college students and 573 US college students.
- Data were analyzed to compare scale scores across age groups (17-24 vs. 25-57 years) and genders.
Main Results:
- Significant gender differences were observed on the antisocial personality disorder scale in the Canadian sample.
- Younger respondents (17-24 years) consistently scored higher on several personality disorder scales compared to older respondents (25-57 years).
Conclusions:
- The study highlights demographic variations in personality disorder symptom presentation.
- These findings can assist clinicians in interpreting CATI results, considering age-related behavioral changes in personality disorder assessment.