The correct answer is case study.
A case study is a method of psychological research that involves collecting in-depth information and data about an individual person or animal. Information gathered from case studies can be from a combination of questionnaires, interviews, observations etc. Case studies can be conducted when investigating any psychological phenomena, however, they are most useful when investigating psychological or mental disorders.
Answer:
endanger themselves with a risky but agreed-upon plan
Explanation:
Groupthink refers to a social phenomenon that make people conform to a certain action just because they desire harmony/comformity within the group rather than because of logical reasons.
This often happen in an organization with strict implementation of hierarchy like the army. In the army, the decisions from Superiors are absolute. So, whenever the superiors told the subordinates to follow a bad strategy, most subordinates will keep their mouth shout most likely agree to it since they fear that other peers might view them as uncooperative or a coward.
Pacifist is the correct answer. Have a great day.