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AleksandrR [38]
3 years ago
12

Dr. cooke wanted to know if a drug was more effective than a placebo. she gave one group the real drug and measured its effectiv

eness, and gave the other group the placebo and measured its effectiveness. dr. cooke is doing a(n):
Social Studies
2 answers:
babymother [125]3 years ago
8 0
Placebo controlled study
bearhunter [10]3 years ago
6 0

the answer is experiment for Apex

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