Which of the Following Is Not a Way to Avoid

Which of the following is not a way to avoid groupthink in small-group decision making?

A) Express the need to examine all alternatives.
B) Assign one person to be "Devil's advocate".
C) Discourage team members from discussing the group's ideas with people outside the group.
D) Set up a number of independent groups to work on the same issue.
E) Emphasize to each team member that he or she is a "critical evaluator" with the responsibility to express opinions and objections freely.