Table 1. Number of Participants (n), Mean (M), Standard Deviation (Sd) of Participants' Contributions (in dollar cents) and the 95% Confidence Interval (CI) as a Function of Team Member, Contribution Knowledge and Decision Constraint in Experiment 1.
95% CI of the Mean | |||||||
Team member | Contribution knowledge | Decision constraint | n | M | Sd | Lower bound | Upper bound |
Human | Unknown | Pressure | 33 | 20.76 | 12.76 | 16.36 | 25.15 |
Forced Delay | 35 | 17.14 | 11.65 | 12.87 | 21.41 | ||
Known | Pressure | 40 | 21.00 | 13.83 | 17.01 | 24.99 | |
Forced Delay | 39 | 22.10 | 13.00 | 18.06 | 26.15 | ||
Computer | Unknown | Pressure | 30 | 24.07 | 12.30 | 19.46 | 28.68 |
Forced Delay | 43 | 22.26 | 13.52 | 18.41 | 26.11 | ||
Known | Pressure | 29 | 22.07 | 13.13 | 17.38 | 26.76 | |
Forced Delay | 37 | 18.38 | 11.96 | 14.23 | 22.53 |
Note that the maximum contribution was 40 dollar cents.