As Gabriel says, you need to use "zero" quotas. This means you create quotas for the question and set the number of respondents to zero ("0"). This means, if someone marks this question, they will will "screened out".
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Provide your LS version and where it is installed (own server, uni/employer, SaaS hosting, etc.).
Always provide a LSS file (not LSQ or LSG).
Note: I answer at this forum in my spare time, I'm not a LimeSurvey GmbH employee.
The following user(s) said Thank You: cubatahavana
Basically, what I’m looking for is a consent form in the beginning. Only if they select “yes” they’ll be allowed to continue. If selected “no” either the survey finishes or it won’t let you continue. I hope I make sense here.
Thanks!