Social Science & Medicine · 2016 · 32 citations · 55 references
Public HealthPopulation Health SciencesEpidemiologyPopulation HealthPopulation Health MeasurementOnline SurveysPublic Health SurveysWeb Survey Design
55
Sample Selection Bias as a Specification Error
James J. Heckman · Econometrica · 1979 · 28.9K citations
Donald B. Rubin · Biometrika · 1976 · 9.7K citations
Ana V. Diez Roux, Christina Mair · Annals of the New York Academy of Sciences · 2010 · 2.7K citations · Full text