There are different kinds of experiment. Double-blind experiments are conducted in an effort to rule out experimenter bias as well as research participant bias is a true statement.
- Bias in experiment is simply known as having view or favoring one option, situation over another one. Double-blind studies are very good tool for preventing bias because of the demand characteristics or the placebo effect.
In a double-blind study, the researchers often have an interaction with the participants and one cannot even know who was receiving the actual drug and placebo.
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