Which Dyad Is Most Likely to Experience Mutual Cooperation in a Prisoner's

Multiple Choice

Which dyad is most likely to experience mutual cooperation in a prisoner's dilemma game?

A) Shara and Carl, who cannot see or hear each other as they play the game
B) Phil and Joann, who can see but not hear each other as they play the game
C) Brian and Roberta, who can hear but not see each other as they play the game
D) Russ and Clare, who can see and hear each other as they play the game