Learn the distinctions between simple and stratified random sampling. Understand how researchers use these methods to accurately represent data populations.

Cochran (1977) outlines eleven steps in the planning of a survey. Good sampling methods must exist in the environment of all of these steps. These steps are (1) a statement of the survey objectives, ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

Suggested Citation: "1 Designing Surveys Acknowledging Nonresponse." National Research Council. 2002. Studies of Welfare Populations: Data Collection and Research Issues. Washington, DC: The National ...