Table 2.
Number of participants in each condition of Interactive Round of the iterated Prisoner’s Dilemma.
| Stranger | Friend | ||
|---|---|---|---|
| Younger Adults | Tit-for-Tat | 33 | 38 |
| Selfish | 38 | 38 | |
| Older Adults | Tit-for-Tat | 33 | 36 |
| Selfish | 32 | 35 | |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.