Question

What kind of BIAS does a double blind study effectively limit?

A: hindsight Bias
B: Confirmation Bias
C: experimenter Bias

Answer 1

experimenter bias

A double-blind study is one in which neither the participants nor the experimenters know who is receiving a particular treatment. This procedure is utilized to prevent bias in research results. Double-blind studies are particularly useful for preventing bias due to demand characteristics or the placebo effect.