Abstract
We hypothesize that sharing a birthday is sufficient to create a unit relationship. Two studies demonstrated that individuals cooperated more in a prisoners dilemma game when their (fictitious) opponent shared their birthday. They also reacted more negatively to betrayal and were less sensitive to relative gains for self versus other.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 475-481 |
| Number of pages | 7 |
| Journal | European Journal of Social Psychology |
| Volume | 28 |
| Issue number | 3 |
| DOIs | |
| State | Published - 1998 |
| Externally published | Yes |
All Science Journal Classification (ASJC) codes
- Social Psychology
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