Table 3.
Correlations between questionnaires and Balloon Effort Task hard choices for the total sample N = 60
| M (SD) | 1 | 2 | 3 | 4 | 5 | 6 | |
|---|---|---|---|---|---|---|---|
| 1. MAP-SR | 20.8 (8.9) | – | – | – | – | – | – |
| 2. MAP-SR motivation | 9.4 (4.6) | .90*** | – | – | – | – | – |
| 3. AES-S | 14.4 (8.0) | .63*** | .54*** | – | – | – | – |
| 4. ADS | 15.3 (9.4) | .59*** | .49*** | .52*** | – | – | – |
| 5. Balloon totala | .563 (.25) | −.26 | −.24 | −.25 | −.12 | – | – |
| 6. Balloon salienta | .587 (.25) | −.31* | −.29* | −.27* | −.12 | .96*** | – |
| 7. Balloon normala | .546 (.27) | −.14 | −.18 | −.23 | −.12 | .97*** | .86*** |
MAP-SR Motivation and Pleasure Scale, self-report, AES Apathy Evaluation Scale, self-report, ADS Allgemeine Depressionsskala [General Depression Scale], Balloon total Balloon Effort Task, percentage of hard choices in all trials, Balloon salient Balloon Effort Task, percentage of hard choices in trials with salient reward, Balloon normal Balloon Effort Task, percentage of hard choices in normal trials
*p ≤ .05 ** p ≤ .01 ***p < .001
aVariables with n = 57 due to missing values