'Marginal selection probabilities' diaporamas de présentation

Presented at the 2005 Annual Meeting of the American Association of Public Opinion Research

Correcting for Self-Selection Bias Using the Heckman Selection Correction in a Valuation Survey Using Knowledge Networks. Presented at the 2005 Annual Meeting of the American Association of Public Opinion Research Trudy Cameron, University of Oregon J. R. DeShazo, UCLA

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