What are the two causes of group polarization?

Question

Quizplus · Accepted Answer

Group polarization occurs when individuals in a group become more extreme in their views or behavior than they were before the group discussion. Two main causes of this are social comparison (when individuals compare their views to others and feel the need to conform to the group's perceived norms) and persuasion (when individuals are exposed to persuasive arguments that reinforce their existing views). Deindividuation and collectivism may contribute to group polarization, but they are not considered the main causes. Need for cognition and motivation may influence the degree of polarization, but they are not causes on their own. Intelligence is not directly linked to group polarization.

What Are the Two Causes of Group Polarization