Similarity in cognitive ability measurement at age 46-53
Explore where selected cohorts overlapped in their assessment of cognitive abilities at the ages of 46 to 53.
For background guidance on the table below, see the main harmonisation feasibility page in this guide.
| Ability domain | NSHD (Age 53) | NCDS (Age 50) | BCS70 (Age 46) | BCS70 (Age 51) |
|---|---|---|---|---|
| Gc/Grw (Crystallised ability/ Reading & writing) | National Adult Reading Test (NART) | National Adult Reading Test (NART) | ||
| Glr (Long-term storage & retrieval) – Verbal memory | Immediate and Delayed Verbal Learning/ Word List Recall Test | Immediate and Delayed Verbal Learning/ Word List Recall Test | Immediate and Delayed Verbal Learning/ Word List Recall Test | Immediate and Delayed Verbal Learning/ Word List Recall Test |
| Glr (Long-term storage & retrieval) – Verbal fluency/ executive function | Verbal Fluency (Animal Naming) | Verbal Fluency (Animal Naming) | Verbal Fluency (Animal Naming) | Verbal Fluency (Animal Naming) |
| Gv/Gs (Visual processing/ Processing speed) – Visual processing speed |
Timed Letter Search/Letter Cancellation Test | Timed Letter Search/Letter Cancellation Test | Timed Letter Search/Letter Cancellation Test | Timed Letter Search/Letter Cancellation Test |
Additional detail on the individual measures is available in the adulthood cognition section of this guide.
Explanations of the ability domains are provided in the introductory section.