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Author Question: Is the study experimental or observational?A clinic gives a drug to a group of ten patients and a ... (Read 61 times)

panfilo

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Question 1

Is the study experimental or observational?

A marketing firm does a survey to find out how many people use a product. Of the one hundred people contacted, fifteen said they use the product.
◦ Observational
◦ Experimental

Question 2

Is the study experimental or observational?

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.
◦ Experimental
◦ Observational


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Marked as best answer by panfilo on Jan 18, 2020

jxjsniuniu

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panfilo

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Reply 2 on: Jan 18, 2020
Gracias!


helenmarkerine

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Reply 3 on: Yesterday
Wow, this really help

 

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