Double-blind experiments and placebos help mitigate biases, and treatment groups aid in objectively comparing therapy effectiveness.
Double-blind Experiment: To avoid bias, researchers often conduct double-blind experiments where neither the patients nor the doctors know who received the actual treatment.
Placebo Effect: Using placebos helps researchers separate the effects of belief from the actual treatment, ensuring accurate results.
Treatment Groups: Dividing patients into different treatment groups helps in comparing the effectiveness of therapies objectively.
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