Chapter 6 Learning Objectives:

  1. Describe the process of population definition by distinguishing between a target population and a sampling frame.
  2. Describe the principles of probability sampling theory and explain how they form the basis for making statistical inferences from a sample to a population.
  3. Distinguish among probability sampling designs, including simple random sampling, stratified sampling, and multistage cluster sampling.
  4. Distinguish among nonprobability sampling designs, including convenience sampling, purposive sampling, quota sampling, and snowball sampling.
  5. Identify the factors affecting the choice of a sampling design.
  6. Identify the factors to consider in determining an appropriate sample size.