Good morning everyone,

Due to the pandemic, I conducted several online surveys. It is quite agile, not at all expensive, but there are several problems: the sample's representativeness and its bias, the difficulty of accessing social profiles that do not have social networks and a certain distrust. What other problems would you highlight? What solutions would you recommend? Are the results - fundamentally the search for associations between variables - reliable given a certain level (n> 50) of observations for each variable? Anyway, what are your opinions about this tool and how can we improve the research design to incorporate online surveys in an appropriate way? Thank you very much

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