DrSuyka,a Professor of Psychology at a Respected University,is Planning a Study

Dr.Suyka,a professor of psychology at a respected university,is planning a study of the factors that affect the motivation of workers.Dr.Suyka is concerned that the results of his experiments may be misleading because workers in an experimental group tend to behave differently when they know they are being studied.This concern shows that Dr.Suyka is aware of the:

A) Taylor effect.
B) Hawthorne effect.
C) Heisenberg principle.
D) potential confusion between Theory X and Theory Y.