Selection Bias in Web Surveys and the Use of Propensity Scores

February 7, 2010

Matthias Schonlau, Arthur van Soest, Arie Kapteyn, and Mick Couper Selection Bias in Web Surveys and the Use of Propensity Scores  Sociological Methods & Research 2009 37: 291-318.

Web surveys are a popular survey mode, but the subpopulation with Internet access may not represent the population of interest. The authors investigate whether adjusting using weights or matching on a small set of variables makes the distributions Read the rest of this entry »