Table 1.
Demographic, Working Memory, and Processing Speed Variables
| Younger adults | Older adults | p value | |
| Study 1 | |||
| n | 24 | 24 | |
| Age | 20.29 (1.33) | 71.96 (3.88) | p < .001 |
| Education | 13.79 (1.29) | 15.92 (2.13) | p < .001 |
| Health | 4.33 (0.76) | 3.92 (0.83) | p = .076 |
| AOSPAN | 59.04 (13.78) | 38.33 (17.85) | p < .001 |
| Stroop span | 43.67 (7.11) | 29.92 (8.28) | p < .001 |
| Processing speed | 35.58 (4.59) | 25.11 (3.71) | p < .001 |
| Study 2 | |||
| n | 48 | 48 | |
| Age | 19.81 (1.44) | 69.69 (5.15) | p < .001 |
| Education | 13.79 (1.29) | 16.00 (2.87) | p < .001 |
| Health | 4.23 (0.66) | 3.98 (0.98) | p = .146 |
| AOSPAN | 59.12 (12.59) | 35.15 (21.91) | p < .001 |
| Stroop span | 43.46 (7.41) | 30.40 (8.87) | p < .001 |
| Processing speed | 32.96 (4.87) | 23.52 (5.54) | p < .001 |
Note. Standard deviations are enclosed within parentheses. Stroop span and AOSPAN reflect total number of correct items. Processing speed reflects mean total number of correct items in 30 s.