What type of sampling involves first sampling a group (like schools, households, towns) and then treating all individuals in that group as either all intervention subjects or all control subjects?

Which of the following is not a limitation of the Behavioral Risk Factor Surveillance Survey (BRFSS)?

You can estimate disease incidence using case-control studies.

In general, cross-sectional studies are useful for measuring and describing rare diseases.

Which of the following is not a limitation of the National Health and Nutrition Examination Surveys (NHANES)?

Who is considered a father of both epidemiology and anesthesiology?

Which of the following is an example of a negative exponential probability distribution?

Researchers conducted a study using available state-level data for the US. They found a positive correlation between average state rates of cell-phone usage with average state rates of automobile fatalities. What kind of study is this?

In determining causality (Bradford-Hill Criteria), temporality refers to:

Which of the following is the best example of a case fatality rate?