Web Survey Bibliography
An important indicator of data quality is the fraction of missing data. Missing data (also called "item non-response") means that for some reason data on particular items or questions are not available for analysis. In practice, many researchers tend to solve this problem by restricting the analysis to complete cases through "listwise" deletion of all cases with missing data on the variables of interest. However, this results in loss of information, and therefore estimates will be less efficient. Furthermore, there is the possibility of systematic differences between units that respond to a particular question and those that do not respond—that is, item nonresponse error. If this is the case, the basic assumptions necessary for analyzing only complete cases are not met, and the analysis results may be severely biased. Modern strategies to cope with missing data are imputation and direct estimation . Imputation replaces the missing values with plausible estimates ...
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Web survey bibliography - De Leeuw, E. D. (27)
- Estimating the Impact of Measurement Differences Introduced by Efforts to Reach a Balanced Response...; 2017; Kappelhof, J. W. S.; De Leeuw, E. D.
- Mixed Mode Research: Issues in Design and Analysis; 2016; Hox, J.; De Leeuw, E. D.; Klausch, L. T.
- Dropouts in Longitudinal Surveys; 2016; Lugtig, P. J.; De Leeuw, E. D.
- Internet Panels, Professional Respondents, and Data Quality; 2015; Matthijsse, S.; De Leeuw, E. D.; Hox, J.
- Mode System Effects in an Online Panel Study: Comparing a Probability-based Online Panel with two Face...; 2015; Struminskaya, B.; De Leeuw, E. D.; Kaczmirek, L.
- Pret met panels [Fun online]; 2013; Roberts, A., de Leeuw, E. D., Hox, J., Klausch, L. T., de Jongh, A.
- Leuker kunnen wij het wel maken. Online vragenlijst design: standaard matrix of scrollmatrix (We can...; 2013; Roberts, A., de Leeuw, E. D., Hox, J., Klausch, L. T., de Jongh, A.
- Internet Coverage and Coverage Bias in Europe: Developments Across Countries and Over Time; 2013; Mohorko, A., de Leeuw, E. D.,Hox, J.
- Random versus Systematic Error in a Mixed Mode Online-Telephone Survey; 2013; Hox, J., Scherpenzeel, A., Boeve, A., Boeve, A., de Leeuw, E. D.
- Mode Effects in Mixed-Mode Surveys: Prevention, Diagnostics, and Adjustment 1; 2013; de Leeuw, E. D., Dillman, D. A., Schouten, B.
- Does one really know?: Avoiding noninformative answers in a reliable way.; 2013; de Leeuw, E. D., Boevee, A., Hox, J.
- Counting and Measuring Online: The Quality of Internet Surveys; 2012; De Leeuw, E. D.
- Design of Web Questionnaires: Matrix Questions or Single Question Formats ; 2012; de Leeuw, E. D., Hox, J., Klausch, L. T., Roberts, A., de Jongh, A.
- Professional Respondents in Internet Panels: Who are They and What Do They Do to Our Data?; 2012; de Leeuw, E. D., Matthijsse, S.
- Question or Mode Effects in Mixed-Mode surveys: A Cross-cultural study in the Netherlands, Germany,...; 2012; de Leeuw, E. D., Nicolaas, G., Campanelli, P., Hox, J.
- Matrix vs. Single Question Formats in Web Surveys: Results from a large scale experiment; 2012; Klausch, L. T., de Leeuw, E. D., Hox, J., de Jongh, A., Roberts , A.
- Flexibility of Web Surveys: Probing 'do-not-know' over the Phone and on the Web; 2011; Hox, J., de Leeuw, E. D.
- Mode Effect or Question Wording? Measurement Error in Mixed Mode Surveys; 2011; de Leeuw, E. D., Hox, J., Scherpenzeel, A.
- Measurement Error in Mixed Mode Surveys: Mode or Question Format?; 2011; de Leeuw, E. D., Hox, J.
- Online Interviewing through Access Panel: Quantity and Quality Assurance; 2009; Petric, I., Appel, M., de Leeuw, E. D.
- Reducing Measurement Errors in Surveys; 2009; De Leeuw, E. D.
- Missing data; 2008; de Leeuw, E. D., Hox, J.
- The influence of advance letters on response in telephone surveys; 2007; de Leeuw, E. D., Callegaro, M., Hox, J., Korendijk, E., Lensvelt-Mulders, G. J.
- Have Telephone Surveys a Future in the 21-th century?; 2002; de Leeuw, E. D., Lepkowski, J. M., Kim, S.-W.
- Trends in household survey nonresponse: A longitudinal and international comparison; 2001; de Leeuw, E. D., de Heer, W.
- The effect of computer-assisted interviewing on data quality: A review.; 1995; de Leeuw, E. D., Hox, J., Snijkers, G.
- Data Quality in Mail, Telephone and Face to Face Surveys; 1992; De Leeuw, E. D.