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3. A researcher decides to investigate the relationship between an exposure (X) and an outcome (Y). In order to do so, the researcher decides to collect information on a relevant variable Z that may play a role in the relationship between X and Y. Which of the following hypothetical scenarios describes interaction by the variable Z? A) Z is associated with an increase in both X and Y B) Z is associated with only the exposure C) Z is associated with only the outcome D) When Z is present, there is an increase in Y, and when Z is absent, there is a decrease in Y

3. A researcher decides to investigate the relationship between an exposure (X) and an outcome (Y). In order to do so, the researcher decides to collect information on a relevant variable Z that may play a role in the relationship between X and Y. Which of the following hypothetical scenarios describes interaction by the variable Z? A) Z is associated with an increase in both X and Y B) Z is associated with only the exposure C) Z is associated with only the outcome D) When Z is present, there is an increase in Y, and when Z is absent, there is a decrease in Y

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 32E
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3. A researcher decides to investigate the relationship between an exposure (X) and an outcome (Y). In order to do so, the researcher decides to collect information on a relevant variable Z that may play a role in the relationship between X and Y. Which of the following hypothetical scenarios describes interaction by the variable Z? A) Z is associated with an increase in both X and Y B) Z is associated with only the exposure C) Z is associated with only the outcome D) When Z is present, there is an increase in Y, and when Z is absent, there is a decrease in Y
Transcribed Image Text:3. A researcher decides to investigate the relationship between an exposure (X) and an outcome (Y). In order to do so, the researcher decides to collect information on a relevant variable Z that may play a role in the relationship between X and Y. Which of the following hypothetical scenarios describes interaction by the variable Z? A) Z is associated with an increase in both X and Y B) Z is associated with only the exposure C) Z is associated with only the outcome D) When Z is present, there is an increase in Y, and when Z is absent, there is a decrease in Y
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