Table 3. The Number of Excluded Outlying Trials per Experiment.
| Old adults | Young adults | Two-sample t-test | |||||
|---|---|---|---|---|---|---|---|
| Experiment | M | Min | Max | M | Min | Max | |
| Note. With reaction time (RT) values more than 3 SDs away from the mean RT of a participant classified as outlying. The average number of outlying trials did not differ between both age groups, according to two-sample t-tests. RSVP = rapid serial visual presentation. | |||||||
| Speeded RT task | |||||||
| Experiment 1 | 5.83 | 1 | 11 | 5.16 | 1 | 10 | t(34) = .77, p = .44 |
| Experiment 2 | 5.50 | 1 | 11 | 7.17 | 2 | 10 | t(36) = −1.91, p = .06 |
| Experiment 3 | 6.64 | 1 | 12 | 7.06 | 2 | 21 | t(33) = −.33, p = .76 |
| RSVP task | |||||||
| Experiment 1 | 7.78 | 1 | 13 | 7.72 | 4 | 13 | t(34) = .06, p = .95 |
| Experiment 2 | 7.55 | 1 | 13 | 7.00 | 2 | 11 | t(36) = .56, p = .58 |
| Experiment 3 | 8.74 | 1 | 15 | 9.00 | 4 | 16 | t(35) = −.98, p = .33 |