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Home Q & A Board Biology-Related Homework Help Environmental and Conservation Biology
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retard23 retard23
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6 years ago
A pharmaceutical company wishes to study a possible new headache medicine. They are doing human trials with 1000 volunteers who experience frequent headaches. The researchers will need to ________.
 
  A) put all women in the control group and all men in the experimental group
  B) have 10 volunteers in the control group
  C) control for the type of headachestress, migraine, or other causes
  D) give all 1000 volunteers the same amount of the new medication
  E) divide the groups by level of health
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#1
6 years ago
C
retard23 Author
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#2
6 years ago
I'd be lost without you
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