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Test administrator effects on cognitive performance in a longitudinal study of ageing
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- Overton, Marieclaire (author)
- Lund University,Lunds universitet,Geriatrik,Forskargrupper vid Lunds universitet,Nationella forskarskolan om åldrande och hälsa,Geriatrics,Lund University Research Groups,National Graduate School on Ageing and Health,Skåne University Hospital
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- Pihlsgård, Mats (author)
- Lund University,Lunds universitet,Geriatrik,Forskargrupper vid Lunds universitet,Geriatrics,Lund University Research Groups,Skåne University Hospital
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- Elmståhl, Sölve (author)
- Lund University,Lunds universitet,Geriatrik,Forskargrupper vid Lunds universitet,Geriatric Medicine,Lund University Research Groups,Geriatrics,Skåne University Hospital
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(creator_code:org_t)
- 2016-12-08
- 2016
- English.
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In: Cogent Psychology. - : Informa UK Limited. - 2331-1908. ; 3:1
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Abstract
Subject headings
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- In longitudinal studies, changes in participants’ cognitive performances can partly be attributed to variations in the testing situation (testing specific factors), such as, different test administrators or different testing environments. Focusing on test administrator influence, testing specific factors were examined in a Swedish longitudinal study of ageing. Test scores from 6,686 examinations revealed significant test administrator effects on all instruments measuring speed of processing, episodic memory and spatial ability. 1.4–3.5% of the total variation in test scores was explained by the factor attributed to the test administrator. Further, results indicated task familiarity on speed scores, and fatigue attributable to the time of day of the testing session for memory and spatial ability. Participants tested in the testing centre performed significantly better than participants who received home visits. This study provides evidence that testing specific factors are tangible concerns in longitudinal ageing studies.
Subject headings
- SAMHÄLLSVETENSKAP -- Psykologi -- Psykologi (hsv//swe)
- SOCIAL SCIENCES -- Psychology -- Psychology (hsv//eng)
Keyword
- ageing
- cognitive performance
- instrumentation
- longitudinal research
- test administrator effects
Publication and Content Type
- art (subject category)
- ref (subject category)
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