How to assign a new ID to each participant?

[wakecarter]

Where do you define group?

BTW, on the original subject of this thread I now have a new web app which assigns new IDs to each participant with additional bells and whistles.

New web app. VESPR Study Portal

https://moryscarter.com/vespr/portal/ I’ve just written an app to allow researchers to host their PI sheet and debrief on my site (written in markdown), which has the advantage of a download link for the PI sheet before and after the study. Participants are also able to withdraw their consent at the debrief stage which sends the researcher an email but the participant stays anonymous. Hosted studies will be listed at the link above (in random order) or an individual study can be addressed using…