All the nurses are doing is observing what medicines are being administered.
Please study this site to understand the differences.
http://www.public.iastate.edu/~dnett/S401/nexpvsobs.pdf
Describe whether the following study would most likely be “observational” or “experimental”, and why it would be so.
* The nurses on the 5th floor record the medicines administered every day and report results to the doctors.
don't understand at all
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