When subjects change their behavior simply as a result of the experimenter paying attention to them, this is called
A) the halo effect
B) the Hawthorne effect
C) the Rosenthal effect
D) the Zeigarnik effect

Question

Quizplus · Accepted Answer

The Hawthorne effect refers to the phenomenon where participants change their behavior simply as a result of being observed or receiving attention from the experimenter, rather than due to the intervention or treatment being tested. The effect was first observed in a series of studies conducted at the Hawthorne Works factory in the 1920s and 1930s, where workers' productivity was found to increase simply as a result of being involved in the study.

When Subjects Change Their Behavior Simply as a Result of the Experimenter