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StatisticsQ&A Libraryand is a lan-%bogat granatas745. Improving Observational Studies - Fill in the blanksIf we want to check out effects of a drug using an observational study, then we should use athe patientslarge pool of subjects who did not take the drug those individuals whowho took the drug in characteristics such asand other lurking variables. It is important to think of as many possible lurking variables aspossible to use in the matching. Any lurking variables that have not been matched can stillresult inQuestion

Asked Sep 1, 2019

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Hi! Thanks for posting the question. For some of the blanks, more than one word may be suitable. As no options are given for filling the blanks, we have used the words that describe the situation in the most logical way possible, to the best of our knowledge. If you have any doubts, please let us know.

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**Explanation:**

In case of understanding the effects of a drug from an observational study, the “matched case control study” is a very useful method. In this method, a group of subjects must **match** in as many aspects as possible to another group of subjects, with the difference being, one group had received the treatment and the other group did not. In other words, each person in the group who had received the treatment has a pair in the group that had not received the treatment, and thes...

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