| Field | Before | After |
|---|---|---|
| Field Last Published | Before August 05, 2026 08:36 AM | After September 16, 2026 05:33 AM |
| Field Primary Outcomes (End Points) | Before The in-group cooperation advantage and mean cooperation rate, both measured in Game Rounds 3 and 4. | After The in-group cooperation advantage and mean cooperation rate, both measured in Game Rounds 3 and 4. Starting with session 17, generosity and bid intensity, both measured in the last part of the experiment. |