Objective : The study examines the validity and reliability of LOTCA-G translated into Korean, with a modification of phrases to reflect a Korean cultural context, and suggests a foundation to apply the test to elderly people aged between 65 and 90.
Methods : Professional therapists with more than three years of clinical experience in the adult treatment field were requested to examine the content validity of the modified LOTCA-G. Concerning the reliability, a test-retest method was employed for 40 people in a normal control group, and for another 40 people made up of clinical patients.
Results : The content validity turned out satisfactorily, as did the test-retest reliability for both the control and experimental (clinical patients) groups, reliability among the examiners, internal consistency of items, and reliability by age group. In terms of reliability, the modified LOTCA-G not only satisfied the initial age target, but also people between the ages of 65 and 70.
Conclusion : The modified LOTCA-G, which reflects the characteristics of Korean culture, is an effective cognition assessment tool with robust validity and reliability, and is expected to facilitate researches on cognition assessment, establishment of treatment planning, and geriatric cognition for elderly people between the ages of 65 and 90.