Table 2.
The table contains the results of the two-sample t-tests comparing the scores of younger and older adults on the subscales of BIS-BAS Scales, with group means and standard deviations in round brackets. BIS, BAS and df correspond to Behavioral Inhibition System, Behavioral Activation System, and degrees of freedom, respectively.
| df | t | p | Mean value (standard deviation) | ||
|---|---|---|---|---|---|
| Younger adults | Older adults | ||||
| BIS | 142 | 2.968 | 0.004 | 20.432 (3.836) | 18.686 (3.174) |
| BAS Drive | 142 | 1.008 | 0.315 | 11.473 (2.259) | 11.086 (2.351) |
| BAS Fun Seeking | 142 | 5.333 | 3.727 × 10−7 | 11.905 (1.761) | 10.371 (1.687) |
| BAS Reward Responsiveness | 142 | 6.405 | 2.068 × 10−9 | 17.662 (1.690) | 15.557 (2.231) |