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Correlation of two competence assessment methods in a geriatric population
H R Searight1, E J Dunn, J T Grisso
1Psychology Department, Southern Illinois University, Edwardsville 67026-1121.
Perceptual and Motor Skills
|June 1, 1989
Summary
This study assessed competence in geriatric patients with suspected dementia using two scales. Findings showed moderate correlations, offering limited support for the construct of competence.
Area of Science:
- Geriatric Medicine
- Psychometrics
- Neuropsychology
Background:
- Assessing competence in geriatric patients with suspected dementia is crucial for care planning.
- Existing measures may not fully capture the multifaceted nature of competence.
Purpose of the Study:
- To evaluate the construct validity of competence by comparing two distinct assessment tools in geriatric patients with suspected dementia.
- To examine the relationship between a structured interview (Community Competence Scale) and a relative-completed rating scale (Scale of Competency in Independent Living Skills).
Main Methods:
- A 10-subscale version of the Community Competence Scale (structured interview) was administered.
- The Scale of Competency in Independent Living Skills (relative rating scale) was also used.
- Both measures were administered to 40 geriatric patients with suspected dementia.
Main Results:
- The two assessments of competence appeared to measure a common global domain.
- However, individual correlations between subscales of the two measures were only moderate.
- This suggests distinct aspects captured by each scale.
Conclusions:
- The findings provide limited empirical support for the overarching construct of competence as a singular, unified domain in this population.
- Further research is needed to refine and validate measures of competence in geriatric dementia assessment.
- The moderate subscale correlations highlight the need for multi-method approaches to comprehensively assess competence.