In Dr. Suarez' social psychology lab, Dr. Thomas' research assistants are more likely to unconsciously reinforce aggressive behavior among children who view a violent video film than among children viewing a nonviolent film. Dr. Suarez' research is susceptible to.
A)experimenter bias
B)placebo effects
C)external invalidity
D)participant bias

Question

Quizplus · Accepted Answer

Experimenter bias occurs when researchers' expectations influence the outcome of the study. In this case, Dr. Thomas' research assistants may unconsciously treat children differently based on the type of video they watch, thus affecting the results.

In Dr Suarez' Social Psychology Lab, Dr