Dear All, I am trying to build a review of the sampling methodology currently used to conduct market research and opinion polls through the internet. I am basically trying to find out: a) which probability samples/panels are available online and how are their built? b) what strategies are used by companies using convenience samples to generalize their survey results to the (online/general) population? c) Are you aware of incorrect claims about generalizing online survey results to larger populations? Thank you in advance for your comments. Luca Mr. Luca Meyer Consumer research advisor: http://www.lucameyer.com/en/ Italian Online Research Mailing List: http://it.groups.yahoo.com/group/ior Tel: +390122854456 - Fax: +390122854837 - Mobile: + 393394950021 - One world, one human race -