Instructions

In this study, you will be randomly and anonymously paired with another SKIMmer. Each of you simultaneously and privately choose whether you want to remain silent (Cooperate) or betray your "SKIMmer in crime" (Defect). Your payoffs will be determined by the choices of both as below:

In each cell, the amount on the left, highlighted in blue is your payoff. The SKIMmer you are paired with gets the other payoff.

The more points you have, the higher your score!

		Random SKIMmer
		Cooperate	Defect
You	Cooperate	You both get 1 year in prison [3 points, 3 points]	You get 5 years in prison, they go free [0 points, 5 points]
	Defect	You go free, they get 5 years in prison [5 points, 0 points]	You both get 3 years in prison [1 points, 1 points]