Answer: The main reason to have a placebo group is to be sure that any effects that happen are actually caused by the treatment and not some other factor.
Step-by-step explanation: The placebo looks, tastes, or feels just like the actual treatment, so that the patient and doctor's expectations don't affect the outcomes.
Answer:
so that the effect of a patient’s mind is taken into account in the drug testing
Step-by-step explanation:
just took the test
