Export 2 results:
Filters: First Letter Of Last Name is S and Author is Winter, Joachim [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..