Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Descriptives for each age group.
| Children | Young adults | Older adults | |
| N (males/females) | 16 (0/16) | 28 (20/8) | 20 (10/10) |
| Age | |||
| Mean (SD) | 10.5 (1.37) | 22.11 (2.33) | 72.5 (4.22) |
| Digit-symbol substitution task [symbols per second] | |||
| Mean (SD) | 0.41 (0.10) | 1.17 (0.16) | 0.44 (0.08) |
