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Reliability and Validity of a Home-Based Self-Administered Computerized Test of Learning and Memory Using Speech
R Scott Mackin1,2, Emma Rhodes2,3, Philip S Insel1
1Department of Psychiatry and Behavioral Sciences, University of California, San Francisco, USA.
Introduction:
The objective of this study is to evaluate the reliability and validity of the ReVeReTM word list recall test (RWLRT), which uses speech recognition, when administered remotely and unsupervised.
Methods:
Prospective cohort study. Participants included 249 cognitively intact community dwelling older adults. Measures included clinician administered neuropsychological assessments at baseline and unsupervised remotely administered tests of cognition from six time-points over six months.
Results:
The RWLRT showed acceptable validity. Reliability coefficients varied across time points, with poor reliability between times 1 and 2 and fair-to-good reliability across the remaining five testing sessions. Practice effects were observed with repeated administration as expected.
Discussion:
Unsupervised computerized tests of cognition, particularly word list learning and memory tests that use speech recognition, have significant potential for large scale early detection and long-term tracking of cognitive decline due to AD.
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