Experimenter bias can be reduced by using
A)trained experimenters instead of machines
B)a placebo control group
C)a double-blind procedure
D)a between-subjects rather than a within-subjects design

Question

Quizplus · Accepted Answer

A double-blind procedure reduces experimenter bias by ensuring that neither the participants nor the experimenters know who is receiving the treatment or the placebo, thus preventing any bias in treatment administration or data interpretation.

Experimenter Bias Can Be Reduced by Using