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Validity and reliability of Structured Interview for Competency Incompetency Assessment Testing and Ranking Inventory
A Tomoda1, R Yasumiya, T Sumiyama
1National Institute of Mental Health, NCNP, Chiba, Japan.
Journal of Clinical Psychology
|August 1, 1997
Summary
The Structured Interview for Competency and Incompetency Assessment Testing and Ranking Inventory (SICIATRI) reliably assesses patient consent competency. This brief tool shows promise for clinical use in evaluating decision-making capacity.
Area of Science:
- Psychiatry
- Medical Ethics
- Clinical Psychology
Background:
- Assessing a patient's capacity to provide informed consent is crucial in medical and psychiatric settings.
- Existing methods may be time-consuming or lack standardized assessment tools.
Purpose of the Study:
- To evaluate the Structured Interview for Competency and Incompetency Assessment Testing and Ranking Inventory (SICIATRI) as a tool for assessing informed consent competency.
- To determine the reliability and validity of the SICIATRI in a clinical inpatient population.
Main Methods:
- The SICIATRI was administered to 48 psychiatric and medical inpatients.
- Inter-rater reliability and concurrent validity were assessed against attending physician global judgments.
Main Results:
- SICIATRI demonstrated high inter-rater reliability for over half of its items (kappa > or = .60).
- Concurrent validity was good, with sensitivity of .83 and specificity of .67.
- The interview is brief, taking approximately 20 minutes to complete.
Conclusions:
- The SICIATRI is a reliable and valid instrument for assessing informed consent competency in psychiatric and medical patients.
- Its brevity and psychometric properties support its potential clinical application.