Q2. Which of these three factors should not be met (i.e., not necessary) for an exposure to qualify as a risk factor? A.

[answerhappygod]

Q2. Which of these three factors should not be met (i.e., not
necessary) for an exposure to qualify as a risk factor?
A. There is a dose-response relationship
B. Temporality of the exposure and disease are not necessary
C. The observed relationship between exposure and the disease is
not due to some source of error in the design.
D. All of the above
Q3. The particular method of analysis to be used in a given
study would dependon:
A. Research question
B. Study design
C. Type of subject
D. All of the above
E. A and B
Q4. Which of the following will help to mitigate
confounding?
A. Multiple regression model
B. Randomization
C. Stratification
D. All of the above