[Scoring and validation of the Clock Face Test in psychometric assessment of elderly subjects].

AIMS

To propose an original evaluation and validation of the Clock Face Test (CFT).

METHOD

Outpatients; 163 elderly people, aged over 65 years. Factory analysis, Student's test.

RESULTS

The test shows a positive correlation with Folstein's MMSE (r = 0.769) and Signoret's BEC 96 (r = 0.644), a good specificity (75% with MMSE; 79% with BEC 96) and a good sensitivity (87% with MMSE; 74% with BEC 96). Four factors are identified by factory analysis; 74% of the variancy is explained by the first three factors.

CONCLUSION

The CFT is a valid tool, easy to conduct. Several applications are possible for diagnosis, psychometric control and therapeutic trials.