Edward is a member of an inner city gang, and he notices that when he and the other gang members get together they often talk ‘big and bad' about what they want to do to the members of the rival gang

The more they talk, the more extreme their plans get, until one guy stands up and hollers "Let's just go shoot them all." This phenomenon that occurs when people of a group share opinions, leading to more extreme positions and more radical behavior, is known as __________
a. group polarization
b. group think
c. group contagion
d. group persuasion

Answer: A