Table 2.
Monetary Incentive Delay Task Performance by Group
| Initiation Group |
Comparison Group |
Statistic | Significance | |
|---|---|---|---|---|
| Hit Rate (%) | ||||
| Large Gain | 64.7 (25.0) | 62.5 (18.3) | t(32) = 0.29 | p = .772 |
| Neutral | 42.2 (20.7) | 45.6 (21.4) | t(32) = 0.47 | p = .642 |
| Large Loss | 56.1 (23.4) | 64.4 (14.4) | t(29) = 1.26a | p = .220 |
| Hit Reaction Time (ms) | ||||
| Large Gain | 203.5 (46.4) | 226.0 (40.5) | t(32) = 1.50 | p = .144 |
| Neutral | 202.8 (45.9) | 216.5 (66.6) | t(32) = 0.70 | p = .488 |
| Large Loss | 202.6 (52.1) | 234.9 (43.4) | t(32) = 1.95 | p = .060 |
Note. ms, milliseconds. For Initiation and Comparison columns, the numbers given are means, with standard deviations in parentheses. Statistic and significance columns refer to two-tailed independent samples t-tests.
a
Degrees of freedom reduction reflects equal variances not assumed.