Cognitive abilities measured in the 1946 National Survey of Health and Development

Explore what cognitive ability domains were measured in the 1946 National Survey of Health and Development (NSHD) cohort by age and test used.

For background guidance on the table below, see the main harmonisation feasibility page in this guide.

Test	8 yrs	11 yrs	15 yrs	26 yrs	43 yrs	53 yrs	60-64 yrs	68-70 yrs
Reading Comprehension	Gc/Grw
Word Reading	Grw	Grw
Vocabulary	Gc	Gc
Picture Intelligence	Gf
General Ability Test (verbal and non-verbal)		G/Gc/Gf
Arithmetic Test		Gq
Alice Heim Group Ability Test			G/Gc/Gf
Watts-Vernon Reading Test			Gc/Grw	Gc/Grw
Mathematics Test			Gq
Verbal Learning/Word List Recall					Glr	Glr	Glr	Glr
Long Term Recall					Glr
Visual Memory					Glr/Gv
Timed Letter Search/Letter Cancellation					Gv/Gs	Gv/Gs	Gv/Gs	Gv/Gs
Motor Speed and Praxis					Gp
National Adult Reading Test (NART)						Gc/Grw
Verbal Fluency (animal naming)						Glr
Prospective Memory						NA
Delayed Verbal Memory						Glr
Reaction Time Test							Gt
Finger Tapping Test								Gp
Addenbrooke’s Cognitive Examination (5 domains)								G

Notes.

Gf=Fluid reasoning/fluid intelligence; Glr=Long-term storage & retrieval; Gs=Processing speed; Gc=Acquired knowledge/crystallised intelligence; Grw=Reading and writing; Gq=Quantitative knowledge; Gv=Visual processing; Gp=Psychomotor ability; G=General/multi-domain cognitive ability factor; NA=Not applicable (no Cattell-Horn-Carroll ability type measured).

Explanations of the individual ability domains are provided in the introductory section of this guide.

Find out more about each of the cognitive tests administered to the NSHD cohort in our searchable overview of measures.

Explore what cognitive abilities have been measured by the other cohort studies in this guide:

Explore where similar cognitive abilities have been measured across the studies at different ages:

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