Before starting the game answer the following questions:

Q.1

How many coins do you get every of the 20 rounds ?

20
10
5
Other / not clear from instructions

Q.2

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

Q.3

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

Q.4

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