A golfer, with a long standing average score of 95, just shot a 75.  He’s confident he can score a 75 again, but you are confident he will not. Your confidence that he will do worse is based on:

Pap smear screening is an example of:

First dividing your study population by socio-economic status and then randomly selecting within the groups is an example of what kind of sampling?

The Framingham Heart Study involves which type of study design?

When several potential health (disease) outcomes are being investigated with a given exposure, which study design is more appropriate?

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)?

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

You can estimate disease incidence using case-control studies.

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