A Series of Experiments Were Conducted at a Well-Known Electric

Multiple Choice

A series of experiments were conducted at a well-known electric company in Chicago from
1924 to 1932 in which researchers wanted to determine if the level of lighting in the electric company affected the productivity level of the employees. Ultimately, the researchers realized that the manipulation of the lighting did not affect productivity but rather that people hovering over employees did influence productivity levels. What problem did researchers become aware of as a result of these experiments?

A) threshold effect
B) experimenter effect
C) Hawthorne effect
D) participant effect