kri
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Hi! You have to wait for jatos.js to be initialized. Only then you have access to these IDs: jatos.onLoad(function() { var PartID = jatos.workerId; }); Best, Kristian
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Hi Bo, there aren't any other group study examples as the ones in https://www.jatos.org/Example-Studies.html. Writing and conducting group studies can be a bit tricky due to participants acting in parallel (but nothing impossible). Can you describe …
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Hi Chi! Your experiment looks doable on Mindprobe. If the result data stays at around 600kB per study run it shouldn't be a problem. But it's important not to have to many overlapping participants. It's probably best to have a test run with just a f…
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Ah, yes you are on some cloud server then? Did not think about this. Nice you solved it. You can ignore warning from 'com.google.inject'. Do you have others?
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Hi Bo, Your issue is likely different from David's. It looks like you want to start JATOS on port 80 on Linux, correct? Since port 80 belongs to the privileged ports you need to start JATOS with root user (or some similar user). If you want to run J…
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Hi Margaret, Like I said Mindprobe is not overloaded and I guess the reason is more on the browser side. Do you have any errors in the browser or do you have a way for me to reproduce the problem on my computer? Can you give me a link to your study?…
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I had a look at your study. It's more complicated than I thought. My idea with jatos.removeOverlay does not work. But fortunately there is way to completely turn off those overlays from the start. Just add jatos.waitSendDataOverlayConfig = { show: f…
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Hi Margaret, Mindprobe is working fine and is by far not overloaded. May I ask which worker type you are using to create your link(s)? The error message your participants reported (“It's not allowed to reload this component. Study is finished.”) ind…
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Hm, it doesn't fix the problem ... do you have an error message or is there no error? Or can I somehow have a look at your study? If it's possible you could send me your study (the exported jzip) or make me a member of your study on jatos.mindprobe.…
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Hi, Can you tell us a bit more how you installed JATOS? And what does JATOS' log say? Any errors there? You can find the log in your JATOS folder in logs/application.log. Best, Kristian
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Yes, it's a bug in the current jatos.js (version 3.6.1). In some cases with jatos.endStudyAjax or jatos.abortStudyAjax this can happen. The next release (should be 3.7.1) will include the fix. Until then you can use jatos.removeOverlay to remove the…
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Hi! First, please no cross-posting between the JATOS and OSWeb forums. It keeps the forum clean and our work to a minimum. And if we notice that the post belongs in a different forum we forward it. I think you should use 'uid' instead of 'UID' - th…
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Cross-post. See answer in: https://forum.cogsci.nl/discussion/7358/id-particpant-for-osweb-experiment
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Now I could reproduce the problem. Before I had Chrome's Dev Tools turned on and they turned off any caching 🙄. I checked the JATOS' code: The cache-control header is hard coded to max-age=3600 (1 hour) for the branding response (customized home pag…
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Hi Fabrice, It seems there is an issue with your customized page's cache instructions. I'm not sure if this is a general problem or just with your page. I just checked on jatos.mindprobe.org and there it works with me (at least with Chrome). Where d…
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Hi! Usually source map are not necessary to run JavaScript, they are a readable version of the program for debugging and developing. So if your study doesn't work anymore there is probably another cause. Are there other error messages? Any hints for…
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Hi Marion, Great that you like JATOS. It's always nice to here that people find it useful. Did you try version 3.6.1 already? There are some nice things for admins. And about the study asset root: Yes, you are correct, all studies share the same stu…
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No answer from Mindprobe? They are probably in holidays. Please send me an email (lange.kristian@gmail.com) and I'll create an account for you on Mindprobe. Now for your DO droplet: it's difficult to say from the outside what's going wrong there. Di…
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Hi! JATOS exports the result data into a text file where each line is a separate result. So what you have to do is split this file by lines. I'm not familiar with Matlab or R, but I was told that if you read the results with jsonlab (Matlab) or rjso…
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Hi Aya, Just playing video and running in batches sounds fine. I wish you all the best with your experiment! Kristian
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Hi! I need you to answer 2 questions for me in order to decide if your study is to heavy: Do you want to record video and upload it to JATOS or just play video? What's the size of the video file? Roughly, how many participants do you expect? Best Kr…
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@sebastiaan Anyway, issue https://github.com/JATOS/JATOS/issues/224 shouldn't be too difficult to implement and it might be nice to have for other things too.
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Hi Sebastian, jatos.endStudyAndRedirect() shouldn't close the study prematurely but I'm not sure what you mean with 'bypassing the data transfer that happens at the end of the experiment'. But jatos.js ensures that everything you send via jatos.subm…
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This issue doesn't really fit into this forum - it's more an admin question. You (or an admin) will have to log in to your server's terminal and figure out what's going on there, check why JATOS isn't working anymore. So you have access to your serv…
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Hi Vassilis, It's difficult to say anything about your server from remote. Your error page is the standard one that is shown if the server doesn't answer. Have you tried turning it off and on again? After 2 years running a reset might solve it alrea…
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Hi! It seems like something is going wrong with your study: the only state that indicates a successful study run is "FINISHED". You've probably seen the state descriptions already: http://www.jatos.org/Manage-Results.html#table-columns. So…
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Hi Vatsal, on DigitalOcean it's quite easy to backup: just do a snapshot of the whole droplet. In your Droplet's menu is a point 'Snapshot'. You can to it 'live', while your server is running or power down and then do the snapshot. The latter one is…
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Hi Marit, I assume this has more to do with OSWeb than JATOS and therefore I move this question into the OSWeb forum. Best, Kristian
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Hi Vicho, If you get the result data from jspsych after each trial you are responsible by yourself to turn them into proper JSON. JATOS doesn't care for the format - for JATOS they are just text. Each jspsych trial gives you JSON, but if you just us…