kri
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Nice you figured it out, Jason! Good luck with your experiment!
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@sebastiaan I understand. Hopefully we'll have this in the future.
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Hi Heidi, It's difficult to say, what went wrong with the study run of your participant. OSWeb's error message "A problem occurred: failed to transfer data." is quite generic. But my first idea is that there was some issue with the network…
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Hi! Just a little hint at the start: It is always better to start a new question in the forum. It might be overlooked otherwise. First two points of advice: Do backups of everything JATOS related before doing the update of JATOS. You can also get p…
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@sebastiaan I understand and it's probably a bigger effort to restructure OSWeb in a way to enable it to build multi-component JATOS studies. Maybe, it could be worth it to just do the file naming issue earlier - if it is a quick change? Then people…
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I think the main reason for this problem that in OSWeb the same filename is used for actual different files from different experiments, e.g. /js/osweb.b550aae48755b942591f.bundle.js or /js/vendors~osweb.620553755c063073df3c.bundle.js have the same n…
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Hi Jason, sorry for taking so long to answer, I was busy releasing the new version of JATOS. You have some pretty complicated code here. It took me a while to see what I think is the culprit here. There is a lot going on in this script. Many scripts…
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I was just wondering if there is a way to still access the data of this one participant or if it is lost. Unfortunately not or the participant reloading the experiment Actually you would see a (forbidden) reload in the results page. In the 'message'…
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Hi Brent, the DATA_RETREIVED status just states that the client, that your experiment running in your participants browser, got all the data from the JATOS server to start - it does not mean that the experiment send result data back successfully. It…
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Hello, this should be possible. Can you send us some code here? We don't need the whole code, it should be enough to see the part of your JS with the jatos.onLoad, the part where you load the files, and the part where your start jsPsych. Best, Kris…
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Hi, that sounds more like an OpenSesame/OSWeb issue. JATOS just stores whatever text it gets in the database or file system. I will move your question in their category. Best, Kristian
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120kB is far from problematic. So, I am out of ideas, apart from problems with the participant's network or computer, or your study's code. K.
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Hi Marko, Somehow your second question got lost. It's better to start a new question in the forum so this doesn't happen and also so other people can find it easier. You would use jatos.endStudyAndRedirect to end your study, redirect it to a diffe…
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Hi Giacomo, Sorry, for taking some time to answer. Your code looks good. It's the standard jatos-wrapping around a jsPsych experiment. Another thing that comes to my mind: what is the size of your result data? There is a quota of 5 MB per result dat…
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Hi Marko! Hm. JATOS has by default a upper limit of 5 MB per sending of result data (by using jatos.submitResultData or jatos.appendResultData). Are you sure about the 2 MB size of your data? Maybe they are 2 MB in a file on your computer but larger…
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Let me chime in here, a little late but better than never: Actually there is a quota of 5MB per result data submit or append on Mindprobe. That means that every use of one of the jatos.js functions to send result data to the JATOS server (jatos.subm…
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Could be. It's a hunch. Another thing that comes to my mind: have you updated to the latest version of JATOS? It fixes a bug (maybe not really a bug actually), where participants cannot finish it's study in case they have a bad internet connection a…
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I agree with Sebastian and just want to answer your second question: how to write it in the results of the second study: Use on of the functions jatos.submitResultData or jatos.appendResultData. Best, Kristian
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Hi Marko, I had hope to find something in your code, but since your experiment is in lab.js and lab.js is minified and difficult to debug I couldn't find anything. I suspect there is a problem in how lab.js handles your (short) timeout and using of …
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I got your message and it contains a zip with a JSON file. But the JSON file is not what's running in a browser. I assume that is what lab.js produces? I'd need an actual JATOS archive (click the Export button in JATOS UI).
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I can't imagine a scenario where a server without HTTPS does prevent your data from being saved, especially after you successfully run several other components. So, this 500ms timeout is a feature of lab.js. I would need to see the actual source cod…
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Hi Marko, That is unfortunate. Let's have a look. What do you mean with "its timeout was set to 500 ms"? This isn't one of JATOS' features, is it? It seems to be a component with only a few lines of code: Maybe you could post them here? Be…
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There's still the question of why the data for the run the participant did finish were lost even if the participant reached the end of study component. More specifically, I'd like to understand if there's something I can do to moving forward to prev…
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Hi Giacomo, I took some time to answer your long question :) Maybe there is a general misunderstanding of how JATOS handles study runs: First you have a study link (e.g. https://example.com/publix/OZTF4BqnlWd), in your case it is of type general mul…
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Hi SpacePinguins, better to start a new question. Here it probably get lost. But it might be related to issue https://github.com/JATOS/JATOS/issues/304 and this is solved in JATOS version 3.8.6. Best, Kristian
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Nice it worked!
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I just tried with JATOS on Mindprobe (that has a version of 3.8.5) and I got a confirmation code in the end. https://forum.cogsci.nl/uploads/855/4C2M8P5HPL5U.png Is it, maybe, that you specified a "End Redirect URL" in your study properti…
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Dear rvgardt, I'm sorry to hear that you weren't presented with a "page displaying an MTurk confirmation code ... as seemingly promised in the JATOS guide" and "However, have yet to see it". May I first ask which study link type …
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Hi James, The finishing of the study and sending of result data are often done together but it's not necessary. You can save your data at any time during your study run. And yes, likely your participants closed the the browser tab before the study c…
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Do you get any error messages? What's in logs/application.log?