>Strikes me that this must have been a telephone survey. So I would
>imagine that the Maquila shantytowns, colonias, favellas, and
>marginal farmers are somewhat under-represented in this sample. In
>other words, the people least likely to be enthusiastic about the
>free trade aganda would have been least likely to have been asked.
>Perhaps it would be more fair to suggest that among people with
>telephones in the Western hemisphere, a majority are favorable
>toward free trade?
In "developing" countries, the interviews were done face-to-face. In many cases the populations were "disproportionately urban," but it was not limited to wired households. See methodological appendix, <http://people-press.org/reports/pdf/185.pdf>.
Doug