Explore where selected cohorts overlapped in their assessment of cognitive abilities at the ages of 10 to 11.
For background guidance on the table below, see the main harmonisation feasibility page in this guide.
| Ability domain | NSHD (Age 11) | NCDS (Age 11) | BCS70 (Age 10) | ALSPAC (Age 10*/11) | MCS (Age 11) |
|---|---|---|---|---|---|
| Gc (Crystallised ability) | General ability (NFER) Verbal Test | General ability (NFER) Verbal Test | Pictorial Language Comprehension Test (PLCT) | Verbal similarities (BAS II) | |
| Vocabulary | (Word) Similarities (BAS) | ||||
| Word Definitions (BAS) | |||||
| Gc/Grw (Crystallised ability/ Reading & writing) | Word Reading | Reading Comprehension test (NFER) | Edinburgh Reading Test (ERT) | ||
| Spelling Dictation Task (SDT) | |||||
| Gf (Fluid ability) | General ability (NFER) Non-Verbal Test | General ability (NFER) Non-verbal Test | Matrices (BAS) | Higher Conceptual Reasoning (Bike Drawing) | |
| Gsm (Working memory) | Recall of Digits (BAS) | Working Memory (Counting Span Task)* (TEACh) – Sky task and Dividing Attention: Dual Task | Spatial working memory (CANTAB) | ||
| Gq (Quantitative knowledge) | Arithmetic Test (NFER) | Mathematics Test | Friendly Maths Test (ERT) | ||
| Gv (Visual processing) | Copying Designs Test (CDT) | ||||
| Gt (Decision speed) | Inhibition (Stop Signal Task)* | Cambridge Gambling Task (CANTAB) | |||
| Gs (Processing speed) | (TEACh) – Attentional control: Opposite Worlds |
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’.