We have often done fully anonymous online surveys where the ethical and data security issues are not too complex to manage properly. However, we now wanted to design an online survey with where we need the e-mail adresses of participants to eg be able to deliver incentives etc. Any ideas how to best organise such a design such that the answers to the study questions are strictly appart from the personal information which might be part of an E-Mail adress?

Thanks in advance!

Florian Junne

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