Sampling Methods for Web and E-mail Surveys

This chapter is a comprehensive overview of sampling methods for web and e-mail (‘Internetbased’) surveys. It reviews the various types of sampling method – both probability and nonprobability – and examines their applicability to Internet-based surveys. Issues related to Internetbased survey sampling are discussed, including difficulties assembling sampling frames for probability sampling, coverage issues, and nonresponse and selection bias. The implications of the various survey mode choices on statistical inference and analyses are summarized.