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Summary statistics of the best-fitting discount parameters for Parallel model in each condition.
| Condition | Mean discount parameter | Standard deviation of discount parameters across subjects |
|---|---|---|
| $3000 single reward | 0.135 | 0.484 |
| Three $1000 rewards with 12 month spacing | 0.262 | 0.728 |
| Three $1000 rewards with 60 month spacing | 0.189 | 0.671 |
| $1000 single reward | 0.092 | 0.244 |
