When experimenter bias takes place, it means that
A. no placebos are used.
B. manipulation checks are invalid.
C. the experimenter influenced the performance of the participants.
D. the participants influenced the performance of the experimenter.
Answer:C
When experimenter bias takes place, it means that
A. no placebos are used. B. manipulation checks are invalid. C. the experimenter influenced the performance of the participants. D. the participants influenced the performance of the experimenter.