groupthink
/ˈgruːpθɪŋk/noun
mass noun
- chiefly N. Amer. the practice of thinking or making decisions as a group that results in unchallenged, poor-quality decision-making〈主北美〉（导致所作决定得不到质疑、决策水平低下的）集体决策：
there's always a danger of groupthink when two leaders are so alike.
如果两个领导人非常相像, 常有决策水平低下的危险。
词源
late 20th cent.: on the pattern of doublethink.