A Cautionary Note on the Use of Matching to Estimate Causal Effects: An Empirical Example Comparing Matching Estimates to an Experimental Benchmark

November 12, 2010

Kevin Arceneaux, Alan S. Gerber, and Donald P. Green, A Cautionary Note on the Use of Matching to Estimate Causal Effects: An Empirical Example Comparing Matching Estimates to an Experimental Benchmark, Sociological Methods & Research 2010 39: 256-282.

In recent years, social scientists have increasingly turned to matching as a method for drawing causal inferences from observational data. Matching compares those who receive a treatment to those with similar Read the rest of this entry »


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 »