URL of experiment: https://run.pavlovia.org/syahn/letter-based-attention/html Description of the problem: Hello, I’ve built my online experiment through Psychopy v.2020.1.2, and found it running smoothly online through Pavlovia. A problem arises when I’m trying to pass participants’ ID through U…

Hi @apitiot , thanks for the quick fix. Works perfectly for me! All the best, Frank.

Just found the same issue now. We’ve not got credits yet, but testing the pilot URL, i’ve tried to do the following: https://run.pavlovia.org/fgasking/parametertest/html/?participant=1&group=2 But we still get the pop up screen prompting for input values.

Hello @young1 and @fgasking , Thank you for bringing the matter to my attention. I made a quick change to handle the legacy Edge browser, which regrettably introduced that particular regression. This is fixed. With my apologies for the mishap! Cheers, Alain

That’s brilliant, thanks for the very quick fix Alain. Confirmed as working here. Had to refresh the browser a few times, that was all. Have a good evening! Frank

Wow thank you for your quick help, Alain. I noticed that with certain browsing data (e.g., cached image and data) this error still persists somehow, but after deleting all cached data it begins to work like a charm. Another bug I noticed related to this though is when you output the csv file, url …

I am experiencing the same issue with the url parameters not going into the corresponding column. I am also having trouble saving the participant ID in the csv file name. Does your .csv file name contain the participant ID as or does it say “PARTICIPANT_studyname_etc.csv”?

Yep same issue with csv file name too!

For me, refreshing the browser also solved that it does not ask for the participant code anymore. However, probably related to the above mentioned issues with the csv files, I cannot access the content of the participant field within the experiment anymore. Usually, I dynamically load the session f…

@apitiot Are you working on a fix for this already? This is a severe bug as it prevents us from using Pavlovia with external recruitment systems such as Prolific and MTurk at the moment as we use individual session files for participants and thus require the “participant” parameter passed through th…

Hello @frank.papenmeier , I shall attend to it in the afternoon. With any luck, I should have a fix for you before end of business today. Alain

Thanks for the swift response! I keep my fingers crossed that you can identify and resolve the source of this issue without to much effort.

Fail to pass url parameters

Online experiments

hrb August 30, 2022, 6:45pm 19

Hi Johan, I am having a similar issue and wondering whether you would share how you fixed this? If helpful, I’ve started a new topic for my issue along with more details here: Participant ID not saving in data file name

Topic		Replies	Views
Possible Bug: 2022.1.1 - 2022.1.3 URL Parameter not included in filename Online experiments	3	790	October 11, 2022
Participant ID not saving in data file name Online experiments	9	1672	October 11, 2022
Participant info not saved on filename.csv Online experiments	12	1186	October 11, 2022
Participant ID from Prolific to Qualtrics to Pavlovia to Qualtrics Online experiments pavlovia	26	3213	September 5, 2023
Trying to link my psychopy experiment back to pavlovia surveys with the unique participant ID Pavlovia Surveys	4	824	January 25, 2023

Fail to pass url parameters

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