Table 2.
Raters’ prior beliefs about players’ cooperativeness.
| Belief about male players | Belief about female players | Belief about all players | |
|---|---|---|---|
| Belief revealed by: | |||
| Male rater | 46.3 | 61.8 | 54.1 |
| N = 206 | (18.6) | (18.4) | (16.6) |
| Female rater | 42.2 | 66.5 | 54.4 |
| N = 206 | (17.7) | (15.2) | (13.8) |
| All other raters | 40.3 | 50.4 | 45.4 |
| N = 10 | (13.6) | (18.7) | (15.3) |
| Combined | 44.2 | 63.9 | 54.0 |
| N = 422 | (18.1) | (17.2) | (15.3) |
| Actual cooperativeness: | Male players | Female players | All players |
| Round 1 | 61.4 | 86.0 | 74.5 |
| (49.2) | (35.1) | (43.8) | |
| Round 2 | 43.2 | 62.0 | 53.2 |
| (50.1) | (49.0) | (50.2) | |
| Both rounds | 52.3 | 74.0 | 63.8 |
| (50.2) | (44.1) | (48.2) |
Note. Where beliefs are reported, values are mean percent of time (standard deviation in parentheses) that raters guess that each gender chooses ‘Split’ in Round 1 of the repeated Prisoner's Dilemma. Where players actual cooperativeness is reported, values are mean percent of time (standard deviation in parentheses) players choose ‘Split’.