This issue of Survey Research Methods contains four
papers that were presented at the ITACOSM11 conference
held in Pisa, Italy, June 27–29, 2011. ITACOSM is an Italian
scientific conference on the development, testing, and
application of survey sampling methodologies in the fields
of economics, social and demographic sciences and ocial
statistics and in studies of biological and environmental phenomena.
It is organized by the Permanent Working Group
on Sample Survey Methodology of the Italian Statistical Society.