Results for additional mixed linear model analyses
| Factor | β estimate | CI | t value | df | p value |
|---|---|---|---|---|---|
| Model of agency ratings including group factor (MRI/no MRI) | |||||
| Social context | 0.43 | 0.18/0.68 | 3.4 | 37.1 | 0.002 |
| Outcome | –0.64 | –0.75/–0.52 | –10.9 | 37.4 | <0.001 |
| Group | –0.42 | –0.91/0.07 | –1.7 | 36.9 | 0.101 |
| Condition × outcome | 0.07 | –0.07/0.21 | 1.0 | 120.6 | 0.341 |
| Condition × group | 0.21 | –0.29/0.70 | 0.8 | 37.1 | 0.418 |
| Outcome × group | 0.07 | –0.16/0.30 | 0.6 | 37.4 | 0.575 |
| Condition × outcome × group | 0.10 | –0.18/0.39 | 0.7 | 120.6 | 0.483 |
| Models of precuneus activity by agency ratings and reaction times | |||||
| Agency | –0.06 | –0.10/–0.02 | –2.7 | 19.8 | 0.014 |
| RT | –0.04 | –0.08/–0.00 | –2.0 | 571.0 | 0.043 |
| Agency × RT | –0.04 | –0.08/–0.01 | –2.3 | 91.4 | 0.024 |
| Agency effect when using only agency as regressor | –0.06 | –0.10/–0.02 | –2.9 | 18.9 | 0.009 |
| RT time effect when using only RT as regressor | –0.05 | –0.09/–0.01 | –2.4 | 643.7 | 0.015 |
| Model test of precuneus activity by agency ratings for fast, average and slow RTs | |||||
| RT group | |||||
| –1 SD of mean RT | –0.01 | 0.03 | –0.50 | 19 | 0.627 |
| +0 SD of mean RT | –0.05 | 0.02 | –2.70 | 19 | 0.014 |
| +1 SD of mean RT | –0.09 | 0.03 | –3.52 | 19 | 0.003 |
| Models of angular gyrus activity by agency ratings and reaction times | |||||
| Agency | –00.08 | –0.16/–0.01 | –2.2 | 37.0 | 0.035 |
| RT | –00.07 | –0.14/–0.01 | –2.3 | 704.1 | 0.024 |
| Agency × RT | –0.04 | –0.10/0.02 | –1.2 | 232.7 | 0.218 |
| Agency effect when using only agency as regressor | –0.09 | –0.17/–0.02 | –2.4 | 37.1 | 0.020 |
| RT effect when using only RT as regressor | –0.09 | –0.15/–0.02 | –2.6 | 407.5 | 0.009 |