Explore where selected cohorts overlapped in their assessment of cognitive abilities at the ages of 7 to 8.
For background guidance on the table below, see the main harmonisation feasibility page in this guide.
|Ability domain||NSHD (Age 8)||NCDS (Age 7)||ALSPAC (Age 7.5)||ALSPAC (Age 8.5)||MCS (Age 7)|
|Gf (Fluid ability)||Picture Intelligence||Wechsler Intelligence Scale for Children (WISC-III)|
|Gc (Crystallised ability)||Vocabulary||Wechsler Intelligence Scale for Children (WISC-III)|
|Gc/Gf (Crystallised ability/ Fluid ability)||Wechsler Intelligence Scale for Children (WISC-III)|
|Gc/Grw (Crystallised ability/ Reading & writing)||Reading Comprehension||Southgate Group Reading Test||Basic Reading||BAS II Word Reading|
|Phoneme Deletion Task|
|Grw (Reading & writing)||Word Reading||Spelling Task|
|Gq (Quantitative knowledge)||Problem Arithmetic Test||Wechsler Intelligence Scale for Children (WISC-III)||NFER Progress in Maths (adapted)|
|Gv (Visual processing)||Copying Designs Test||BAS II Pattern Construction|
|Human Figure Drawing|
|Gs/Gv (Processing speed/ Visual processing)||Letter Decision Task||Wechsler Intelligence Scale for Children (WISC-III)|
|Wechsler Intelligence Scale for Children (WISC-III)|
|TEACh (the Tests of Everyday Attention for Children)|
|Gp (Psychomotor ability)||Motor Ability Task|
|Gkn (Domain-specific knowledge)||DANVA: Faces subtest|
|Gsm (Short-term memory)||TEACh (the Tests of Everyday Attention for Children):|
|Glr (Long-term storage & retrieval)||Listening Comprehension|
|Ga (Auditory processing)||Articulatory Skills|
Additional detail on the individual measures is available in the childhood cognition section of this guide.
Explanations of the ability domains are provided in the introductory section.
Explore where similar cognitive abilities have been measured across the studies at other ages:
Explore the full set of cognitive abilities assessed by each of the cohort studies in this guide:
- 1946 National Survey of Health and Development (NSHD)
- 1958 National Child Development Study (NCDS)
- 1970 British Cohort Study (BCS70)
- Avon Longitudinal Study of Parents and Children (ALSPAC)
- Millennium Cohort Study (MCS)
This page is part of CLOSER’s ‘A guide to the cognitive measures in five British birth cohort studies’.