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Mpron Mpron
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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 and need to ________.
 
  A) put all women in the control group and all men in the experimental group
  B) give both control and experimental groups the same amount of the new medication
  C) control for the type of headachestress, migraine, or other causes
  D) have 10 volunteers in the control group
  E) divide the groups by level of health
Textbook 
A Changing Planet

A Changing Planet


Edition: 1st
Author:
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wrote...
6 years ago
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Mpron Author
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6 years ago
A plus for you my friend
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