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Home Q & A Board Science-Related Homework Help Mathematics
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fundai! fundai!
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6 years ago
A clinic gives a drug to a group of ten patients and a placebo to another group of ten patients to find out if the drug has an effect on the patients' illness.
 
  A) Observational B) Experimental
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takirahh_takirahh_
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fundai! Author
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6 years ago
Good timing, thanks!
ethom947
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Yesterday
This helped my grade so much Perfect
54321abs
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2 hours ago
Thanks for your help!!
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