How many coins do you get every of the 20 rounds ?
20 10 5 Other / not clear from instructions
If you put 5 in the group account, what is the lowest payment you are guaranteed from this round ?
5 7.5 10 Other / not clear from instructions
If you put 5 in the group account, and all others do the same, how much are you guaranteed from this round ?
7.5 15 20 Other / not clear from instructions
Are you more likely to be matched in a group with other high-contributers if you also put in a large amount than if you put in only a small amount ?
Yes No true if<5, false if>5 Other / not clear from instructions