If the experimenter treats the experimental group differently than the control group, the experimental group might behave differently. This unwanted effect is called
A. experimental bias.
B. manipulation checks.
C. random sample.
D. placebo effect.
Answer:A
If the experimenter treats the experimental group differently than the control group, the experimental group might behave differently. This unwanted effect is called
A. experimental bias. B. manipulation checks. C. random sample. D. placebo effect.