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English, 25.08.2020 17:01 abbygriffin8575
Medical researchers often test medicines on patients who have given informed consent for the tests. The researchers divide the patients into two groups. One group is given the medicine. The second group is given a harmless substitute such as sugar pills. Neither the patients nor the researchers know which patients have received the medicine and which have received the substitute. What is the purpose of such a procedure? to increase accuracy to increase precision to decrease bias to decrease patient safety
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