Selecting a condition file for each participant and make sure it's not assigned twice across participants

[wakecarter]

Can I recommend you look at this thread

Deal with condition files on psychojs/pavlovia

In psychopy on the local machine, a lovely feature is that we can create the condition file for all subjects. When I upload the experiment online, I cannot manually assign condition files before each subject does the experiment. Is there a way around it? My colleagues told me that what they do is whenever an online subject begins the experiment, the code will extract all available condition files, randomly choose one for the subject, and then remove the condition file to another fold so that fut…

I specifically wrote the VESPR Study Portal to deal with non-finishers (for licensed users).