Which of the Following Occurs When You See Changes in an Outcome

question 25

Multiple Choice

Which of the following occurs when you see changes in an outcome because randomization was not used to form the groups and the groups were not equivalent at the outset?

• A) selection bias
• B) statistical bias
• C) support error
• D) shelf life error

Define and calculate the population attributable risk and its importance in public health policy.

Analyze mortality data to determine risk and relative risk in studies.

Calculate and interpret the proportion of disease cases attributable to a specific factor among the exposed group.

Identify the best measure of association for explaining the impact of exposure on disease occurrence.