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Means and standard deviations for forward and reverse digit spans and response time per digit for correct items.
| Younger adults |
Older adults |
|||
|---|---|---|---|---|
| M | SD | M | SD | |
| Span | ||||
| Forward | 6.8 | 1.0 | 6.4 | 0.9 |
| Reverse | 5.2 | 1.2 | 5.3 | 1.2 |
| Response time (seconds) | ||||
| Forward | 0.8 | 0.1 | 0.9 | 0.1 |
| Reverse | 1.1 | 0.2 | 1.4 | 0.4 |
