Learning Objectives

After reading this chapter, you should be able to:

  • Explain the ways in which causal assertions can be verified.
  • Identify the types and characteristics of randomized experiments.
  • Discuss quasi-experimental design.
  • Relate how natural experiments, including intervention analysis, work.
  • Describe intervention analysis.
  • Summarize different types of observational studies, such as small-N designs and crosssectional designs.
  • Relate the benefits of times series design.