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Author Question: It is the purpose of what type of study to find out whether one or more explanatory variables are ... (Read 119 times)

mrsjacobs44

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on: Jul 24, 2018
It is the purpose of what type of study to find out whether one or more explanatory variables are related to a certain disease (for example whether smoking causes lung cancer)?
 a. Case-control study
  b. Matched-pairs experiment
  c. Block design
  d. None of the above

Question 2

Which of the following is not a type of observational study?
 a. Case-control study
  b. Retrospective study
  c. Prospective study
  d. Introspective study


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Amiracle

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Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

D


mrsjacobs44

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Reply #2 on: Jul 24, 2018
TY


Amiracle

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Reply #3 on: Jul 24, 2018
You're welcome


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