Cognitive abilities measured in the 1958 National Child Development Study
Explore what cognitive ability domains were measured in the 1958 National Child Development Study (NCDS) cohort by age and test used.
For background guidance on the table below, see the main harmonisation feasibility page in this guide.
| Test | 7 yrs | 11 yrs | 16 yrs | 50 yrs | 60 yrs |
|---|---|---|---|---|---|
| Southgate Group Reading Test | Gc/Grw | ||||
| Problem Arithmetic Test (NFER Devised) | Gq | ||||
| Copying Designs Test (CDT) | Gc | Gc | |||
| Human Figure Drawing (HFD) | Gv | ||||
| General Ability Test (Verbal and Non-Verbal) | G/Gc/Gf | ||||
| Reading Comprehension Test (NFER) | Gc | Gc | |||
| Arithmetic- Mathematics Test (NFER) | Gq | ||||
| Mathematics Test (NFER) | Gq | ||||
| Verbal Fluency (Animal Naming) Test | Glr | Glr | |||
| Verbal Learning/Word List Recall | Glr | Glr | |||
| Timed Letter Search/Letter Cancellation | Gv/Gs | Gv/Gs |
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; G=General/multi-domain cognitive ability factor.
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 NCDS cohort in our searchable overview of measures.