NSHD – Age 53 – Verbal Fluency (Animal Naming) Test

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The MRC National Survey of Health of Development (NSHD) assessed their cohort members (CMs) during the study’s age 53 sweep using the Verbal Fluency (Animal Naming) Test.

Details on this measure and the data collected from the CMs are outlined in the table below.


Domain:Verbal fluency
Measures:Verbal/semantic fluency
Associational fluency
Executive function
CHC:Glr (Long-Term Storage and Retrieval)
Administration method:Research nurse; face to face; read aloud
Procedure:Participants were asked to name as many different animals as possible within a one-minute timeframe. The interviewer made a note of each named animal and entered the total number into the CAPI programme. Repetitions, named animals (e.g. Bambi), and redundancies (e.g. white cat, black cat) were not included in the total score.
Link to questionnaire:https://skylark.ucl.ac.uk/NSHD/lib/exe/fetch.php?media=questionnaires:1999-capi.pdf (opens in new tab)
Scoring:Total number of animals named
Item-level variable(s):None
Total score/derived variable(s):anin
Descriptives:Raw score
N = 2,949
Range = 1 - 62
Mean = 23.56
SD = 6.91
(click image to enlarge)
Age of participants (months):Mean = 641.47, SD = 2.09, Range = 636 - 650
Other sweep and/or cohort:NCDS – Age 50 – Verbal Fluency (Animal Naming) Test
NCDS – Age 61-63 – Proposed repeat of tests at age 50
BCS70 – Age 46-47 – Verbal Fluency (Animal Naming) Test
ALSPAC – Focus on Mothers 2 – Verbal Fluency Test
ALSPAC – Focus on Mothers 3 – Verbal Fluency Test
ALSPAC – Focus on Mothers 4 – Verbal Fluency Test
Source:Taken from Section B (cognitive assessment) of the Cambridge Mental Disorders of the Elderly Examination (CAMDEX) (Roth et al., 1986).
Technical resources:None
Reference examples:Hatch, S. L., Feinstein, L., Link, B. G., Wadsworth, M. E., & Richards, M. (2007). The continuing benefits of education: adult education and midlife cognitive ability in the British 1946 birth cohort. The Journals of Gerontology Series B: Psychological Sciences and Social Sciences, 62(6), S404-S414.
Murray, G. K., Jones, P. B., Kuh, D., & Richards, M. (2007). Infant developmental milestones and subsequent cognitive function. Annals of Neurology, 62(2), 128-136.

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This page is part of CLOSER’s ‘A guide to the cognitive measures in five British birth cohort studies’.