![]() ![]() UK Biobank cognitive tests showed a range of correlations with their respective reference tests, i.e. Four-week test-retest correlations were calculated for UK Biobank tests. Two measures of general cognitive ability were created by entering scores on the UK Biobank cognitive tests, and scores on the reference tests, respectively, into separate principal component analyses and saving scores on the first principal component. Correlations were calculated between UK Biobank tests and reference tests. ![]() Fifty-two participants returned 4 weeks later to repeat the UK Biobank tests. A sample of 160 participants (mean age = 62.59, SD = 10.24) was recruited who completed the UK Biobank cognitive assessment and a range of well-validated cognitive tests (‘reference tests’). The present study examined the validity and short-term test-retest reliability of the UK Biobank cognitive tests. Despite the non-standard nature of these tests and the limited psychometric information, the UK Biobank cognitive data have been used in numerous scientific publications. Psychometric information on the UK Biobank cognitive tests are limited. ![]() The cognitive assessment in UK Biobank is brief and bespoke, and is administered without supervision on a touchscreen computer. UK Biobank is a health resource with data from over 500,000 adults. ![]()
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