John wants to examine whether social comparison processes explain why the group polarization effect occurs, beyond the effects of persuasive arguments. he decides to conduct an experiment. john should expose individual group members to to see if group polarization still occurs

john should expose individual group members to Discussion to see if group polarization still occurs

Explanation:

Group polarization refers to the change in attitude after a discussion when compared to it initially. This group discussion may gradually lead to group think and bad decisions are made because some of its members may not like to support or suggest any views and stay passive.

Every individual is interested to make a decision which is unique. Few decisions made are persuasive and influential but they are risky if the members in the group are biased.

Group polarization does not occur with the factor of nearness or proximity but similar viewed people afar joined as a group to discuss a social issue.

answer; exploratory;

answer; face validity;