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Rater agreement for the Rey-Osterrieth Complex Figure Test
J Liberman1, W Stewart, O Seines
1Johns Hopkins University, School of Hygiene and Public Health, Department of Epidemiology, Baltimore, MD 21205.
Journal of Clinical Psychology
|July 1, 1994
Summary
This study examined the reliability of scoring the Rey-Osterrieth Complex Figure Test (RCF). Results show high consistency when one scorer is used, but noted potential differences between scorers for RCF assessments.
Area of Science:
- Neuropsychology
- Psychometrics
Background:
- The Rey-Osterrieth Complex Figure Test (RCF) is a widely used neuropsychological assessment tool.
- Accurate scoring is crucial for reliable interpretation of cognitive function, particularly visuospatial constructional abilities and memory.
- Quantifying the reliability of RCF scoring is essential for its clinical and research applications.
Purpose of the Study:
- To evaluate the intrarater and interrater reliability of quantitative scoring for the Rey-Osterrieth Complex Figure Test (RCF).
- To identify specific scoring units within the RCF that may contribute to scoring variability.
Main Methods:
- The study involved multiple raters assessing RCF performances (Copy, Immediate Recall, Delayed Recall).
- Intraclass correlation coefficients (ICCs) were calculated to determine intrarater and interrater reliability.
- Statistical analyses were performed to identify mean differences in scores between raters.
Main Results:
- High intrarater reliability was observed across all RCF conditions (Copy, Immediate Recall, Delayed Recall), with correlation coefficients ranging from .96 to .99.
- Interrater reliability was generally acceptable (coefficients .88 to .97), but statistically significant mean score differences were found between raters.
- While most RCF structural units were reliably scored, some units exhibited greater scoring discrepancies than others.
Conclusions:
- The Rey-Osterrieth Complex Figure Test demonstrates high intrarater reliability for quantitative scoring.
- Acceptable interrater reliability for the RCF is achievable, though potential for systematic scoring differences between raters exists.
- Further refinement of scoring guidelines or rater training may be beneficial to minimize interrater variability in RCF assessments.