- Identify the circumstances that make sampling unnecessary and the reason they are rare.
- Identify the relation between the desired sample, the obtained sample, the sampling frame, and sample quality.
- Define and distinguish probability and nonprobability sampling and both techniques’ relationship to sample generalizability.
- Define the major types of probability sampling, and indicate when each is preferred.
- Explain when nonprobability sampling methods may be preferred.
- Understand what units of analysis are and how errors can be made when generalizing from one unit of analysis to another.
