hillarylawrence hillarylawrence

26-08-2020
Chemistry

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In a double-blind test, the non-control group receives a

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xJennaTanakax16 xJennaTanakax16

26-08-2020

Answer:

Hi There! I'm new so I hope I get This Right! ^^

Explanation:

double blind test. the control group receives a placebo. Why is a placebo used in a double-blind test? so that the effects on people in two different groups can be compared.

happy To Help! ^^

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