In a national survey of drug abuse

Reliability exists when measurements are consistent.

External validity is another term for cross-population generalizability.

Which research design would be preferred to study all individuals who graduated a boot camp program in 2001?

Face validity establishes that the measure covers the full range of the concept’s meaning.

In which nonexperimental design is data collected at one point in time?

You have been asked to draw 10 cases from a population of 20. You decide on a systematic random sampling strategy. The sampling interval is:

Good conceptualization and operationalization can help prevent confusion in the research process.

You have been asked to draw 10 cases from a population of 20. You decide on a systematic random sampling strategy. The sampling interval is:

Describe the purpose of the community partner assessment.