Reliability and validity of brief cognitive tests

Thompson, Claire, Tan, Joanne Shi Huey, and Dong, Yan Hong Catherine (2012) Reliability and validity of brief cognitive tests. In: Dementia Collaboration Research Centre's (DCRC) Research Forum Proceedings. p. 1. From: Dementia Collaboration Research Centre's (DCRC) Annual Dementia Research Forum, 27-28 September, 2012, Canberra, Australia. (Unpublished)

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Introduction: This study explores the psychometric properties of four tests of cognitive and functional impairment that show potential utility in detecting dementia (RBANS, TYM, AD8-participant, AD8-informant) that may be suitable for use in memory disorders clinics. The selected tests appear brief yet valid, however their test-retest reliability and convergent validity with extant tests (MMSE; MoCA) are unknown. Further, the study aims to determine the utility of these tests in a Singaporean population, where most elderly individuals do not speak English fluently and levels of formal education are sometimes minimal, thus tests of cognitive impairment developed and normed in Western countries may not be suitable. Method: The tests were administered at two time points with a 14 day interval, with 30 Singaporean cognitively intact participants aged 53 to 78 (M = 63.60, SD = 5.77). Results: Adequate test-retest reliabilities (r = .64 to .85) were found for all four tests. Inter-test correlations were only detected for the RBANS with TYM and MMSE at baseline. Despite RBANS norms being corrected for age and education, a significant association of RBANS scores with education was found. Conclusions: This study not only contributes to the limited knowledge of reliability and validity of these tests, but also addresses the need for brief, reliable tests to cater to the needs of Singapore's large ageing population. The results are sufficiently encouraging to warrant the evaluation of these tests in a cognitively impaired population.

Item ID: 22038
Item Type: Conference Item (Poster)
Date Deposited: 25 Mar 2013 04:34
FoR Codes: 17 PSYCHOLOGY AND COGNITIVE SCIENCES > 1701 Psychology > 170102 Developmental Psychology and Ageing @ 80%
11 MEDICAL AND HEALTH SCIENCES > 1103 Clinical Sciences > 110319 Psychiatry (incl Psychotherapy) @ 20%
SEO Codes: 92 HEALTH > 9205 Specific Population Health (excl. Indigenous Health) > 920502 Health Related to Ageing @ 80%
92 HEALTH > 9204 Public Health (excl. Specific Population Health) > 920410 Mental Health @ 20%
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