Which of the following best describes the method of concomitant variation?     This occurs when associations are replicated by different investigators in different settings with different methods.     When the research problem is established, a research hypothesis is formulated about an expected association between variables.     When an exposure is associated with only one disease or the disease is associated with only one exposure.     When the frequency or strength of a risk factor varies with the frequency of the disease or condition.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 24PFA
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Which of the following best describes the method of concomitant variation?

   

This occurs when associations are replicated by different investigators in different settings with different methods.

   

When the research problem is established, a research hypothesis is formulated about an expected association between variables.

   

When an exposure is associated with only one disease or the disease is associated with only one exposure.

   

When the frequency or strength of a risk factor varies with the frequency of the disease or condition.

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