Best answer by JulieT
View originalHow to restrict who responds to my survey?
I am distributing my survey with the anonymous link, but because of methodology restrictions, I absolutely cannot have multiple participants from the same IP address. Is there any way to prevent someone with the same IP address from taking my survey twice with just the anonymous link?
@Barnaby The alternative in this situation would be to setup a webservice to store when they complete a survey, and then pull whether or not an email has been used at the beginning of the survey and term if they are attempting to take it again.
@JulieT - that is a solid solution but isn't as foolproof as I would like. We have had respondents simply clear their cookies or access from another device to avoid this restriction.
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