Are Changes in Cognitive Functioning in Older Adults Related to Changes in Subjective Complaints?

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Abstract
In many areas of intellectual functioning, age-related declines in older adults' performance and increases in subjective complaints about intellectual performance are observed. However, the literature mostly reports very low relations between functioning and respective complaints. This finding could be the consequence of examining the relation between subjective complaints and the perceived level of functioning. If, however, persons are sensitive to relative changes in performance, they might base their subjective judgment on changes in the level of cognitive functioning. With 202 subjects (mean age=63 years) and two measurements, the authors examine (a) the relation between functioning and complaints at each measurement point, and (b) the relation between changes in functioning and changes in complaints between the measurement points with latent difference variables. The results indicate that there is no relation between level of functioning and level of complaints, but that there is a substantial relation between changes in functioning and complaints.

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