 | Learning Objectives
(See related pages)
When you have read this chapter, you should understand:
- the importance of the unit of analysis
- why case studies are a very useful research approach and how they are conducted
- the two premises on which sampling theory is based
- the characteristics of accuracy and precision for measuring sample validity
- the two main categories of sampling techniques and their varieties
- the six questions that must be answered to develop a sampling plan
- the critical issues and formulas that determine the appropriate sample size.
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