2. In a study of ef...
 
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2. In a study of effects of alcohol on driving ability, the control group should be given

 

Aamir Ranjha
(@aamir)
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Joined: 2 years ago
Posts: 1496
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In a study of effects of alcohol on driving ability, the control group should be given

  1. a high dosage of alcohol.
  2. one-half the dosage given the experimental group.
  3. a driving test before and after drinking alcohol.
  4. no alcohol at all.

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Answer
4. no alcohol at all.


   
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