title: New Challenges to Social Measurement.
authors.affiliation: Office of Population Research, Princeton University, Wallace Hall, Princeton, NJ 08544, 609 258 4949, dmassey@princeton.edu.
authors.forename: Douglas S
authors.initials: DS
authors.lastname: Massey
authors.affiliation: Westat Corporation, 1600 Research Boulevard, Rockville, MD 20850, 301 294 2828, RogerTourangeau@westat.com.
authors.forename: Roger
authors.initials: R
authors.lastname: Tourangeau