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Mathematics, 29.06.2019 00:00 kevin2618

Adrug researcher decides to test a new arthritis pain medication for safety and effectiveness on a treatment group of 100 severely disabled arthritis sufferers in a hospital ward. everyone in the group is assigned a number. patients with an even number receive the drug. patients with an odd number receive a placebo. which of the following principles of experimental design are being followed? check all that apply.

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