ISSN : 1229-067X
The present study purported to develop a word-list learning test for the elderly Koreans and examine its reliability and validity as a memory assessment tool. The word list of the Elderly Verbal Learning Test (EVLT) consists of nine items from three categories (animal, fruit, household electronics) that are familiar to elderly Koreans. The words were selected based on familiarity, facility of pronunciation, and mental imagery. To examine the validity of the test, EVLT was administerd to 273 normal elderly participants who were over 55 years of age and 25 patients diagnosed with the probable dementia of the Alzheimer's type (DAT). The convergent and discriminant validities were supported by the significant correlation of the EVLT measures with the Memory subtest of the K-DRS and the Story Recall Test, but not with the visuospatial measures, such as the Visuospatial Span and the Construction score of the K-DRS. Factor analysis revealed six factors, which is likely to reflect the memory structure in general population as well as the memory characteristics unique to Korean elders. Discriminant analysis identified significant EVLT measures, which classified 97.3% of the patients with Alzheimer's disease correctly. Interestingly compared with the U.S. adult populations with little educational variance, education proved to be a significant factor in EVLT performance in the elderly Koreans in addition to age and gender. In summary, EVLT appears to be a valid tool for assessing the memory of elderly Koreans, which could assist in effective dementia evaluation.
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