Web surveys are becoming a more and more spread tools in many research fields, included the health area. Factors such as the availability of new software, the reduction of digital divide, and the widespread of mobile devices have encouraged social researchers to implement web surveys. Researchers must be particularly attentive to their methodological choices to ensure that instruments can collect valid and reliable data. The implications of the various survey mode choices from the methodological, technical and ethical point of views are discussed to suggest the best practices and guidelines to implement web surveys.
Keywords: Cawi, health, quantified self, web society, web survey, e-methods