Table 2.
The mean number of words recalled, and mean selectivity index, for healthy younger adults, healthy older adults and individuals with very mild and mild Alzheimer's disease (AD). Standard error is presented below each mean. (Coefficient alpha for recall was .88 and for SI was.72).
| Words Recalled | Selectivity Index | |
|---|---|---|
| Young adults (N=35) | 5.68 (0.24) |
.59 (.04) |
| Older adults (N=109) | 3.54 (0.08) |
.57 (.02) |
| Very mild AD (N=41) | 2.83 (0.14) |
.40 (.05) |
| Mild AD (N=13) | 1.95 (0.23) |
.29 (.12) |