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Filters: First Letter Of Last Name is S and Author is Matthias Schonlau [Clear All Filters]
Attempting to Adjust for Selection Bias in Web Surveys with Propensity Scores: The case of the Health and Retirement Study. Proceedings of the American Statistical Association. 2004..
Noncoverage and Nonresponse in an Internet Survey. Social Science Research. 2007;36(1):131..
Selection Bias in Web Surveys and the Use of Propensity Scores. Sociological Methods and Research. 2009;37(3):291-318..