When occurs, group participants believe that their ideas and actions are correct and that those who disagree with them are either uninformed or deliberately trying to sabotage their efforts. group reverse vigilance group cognitive inertia groupthink static decision making

Option D.

Explanation:

Group-think, is the right answer.

Group-think is a psychological aspect that transpires within a group of personalities in which the hope for peace or compliance in the group appears in an illogical or dysfunctional decision-making consequence. The members of the Group attempt to reduce conflict and relinquish a consent decision without decisive evaluation of alternative perspectives by actively repressing dissenting attitudes, and by separating themselves from external forces.

answer; grew into towns and cities;

answer; john b watson,(observable behavior);