The total survey error approach
The purpose and scope of the book
2. Sampling and coverage issues for Web surveys
Types of Web surveys and the use of probability sampling
Coverage issues for Web surveys
Statistical corrections for coverage and sampling bias
3. Nonresponse in Web surveys
Defining nonresponse and nonresponse error in web surveys
Nonresponse error in Web surveys
Response and participation rates in Web surveys
Factors affecting participation in Web surveys
Nonresponse in mixed-mode surveys
Factors affecting breakoffs in Web surveys
Item nonresponse in Web surveys
4. Introduction to measurement and design in Web surveys
Measurement error in Web surveys
Measurement features of Web surveys
Choice of broad design approaches
The look and feel of the Web survey
Choice of response formats
5. The Web as a visual medium
Interpreting visual features of Web questionnaires
The concept of visibility
6. Interactive features and measurement error
Dimensions of interactivity
Responsive, machine-like features
Human-like interactive features
7. Measurement error on the Web and in other modes of data collection
Conceptual schemes for understanding mode effects
Web surveys as a method of self-administration
Web surveys and cognitive burden
8. Summary and conclusions
Non-observation errors in Web surveys
Recommendations for Web surveys
The future of Web surveys.