Participant ID saved in name GZ-file not in name csv file

In an online experiment participants are redirected from qualtrics to pavlovia.

The gz-files on pavlovia save the participant ID from qualtrics correctly in the beginning of the name of the file.
However, this is not the case for the csv file. In the name of the csv file the participant ID is not saved.

Does anyone know how to solve this?

What URL are you using in Qualtrics? What variables are in your expInfo dialogue box?

I’m using the following URL in qualtrics:


In de expInfo dialogue box are:

  • participant
  • session

Both participant and session are recorded within the csv-files but not in the title of the csv files. So no important data are lost. Both are part of the title of the GZ-files.


I am also having this problem. The participant ID appears in the name of the gz files but not in the name of the csv files.

Is there a fix for this?

Just checking - if the participant ID is not at the start of the csv filename, will this potentially create an issue if two participants submit data at the same time? E.g. the csv files for those participants will have the same name?