Do you know any resources for a scientific questionnaire in the linguistic (or suitable) research (may be special sites)?

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Felipe Kupske

I'm not pretty sure if I've understood your question, but during my PhD I used surveygizmo to apply my questionnaire. It's pretty simple and gives you basic descriptive statistics.

Alexander Ptashkin

Thank you for your pieces of advice. I checked surveygizmo, it is good at forming the questionnaires! Thank you