Hawthorne effect
noun
mass noun
- the alteration of behaviour by the subjects of a study due to their awareness of being observed霍桑效应（指研究实验的对象因意识到自己正受到观察而作出的行为改变）。
词源
1960s: from Hawthorne, the name of one of the Western Electric Company's plants in Chicago, where the phenomenon was first observed in the 1920s.