Title: American Statistical Association
Subjects: Statistics, Congresses, Sampling (Statistics), Research, Statistical methods, Échantillonnage (Statistique), Congrès, Recherche, Méthodes statistiques, Annual Meeting of the American Statistical Association (August 10-14, 1997 : Anaheim, California), Annual Conference of the American Association for Public Opinion Research (52nd : May 15-18, 1997 : Norfolk, Virginia)