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Last seen/Duration problem - stuck?

Hi all,

First, thank you for JATOS!

I am about to start an online experiment using the server, but before that I was testing it. Even though throughout the testing, when I abort the experiment (it's 90 mins and I am just checking if the links work), it doesn't tell me "experiment aborted" but just says DATA_RETRIEVED - however the durations are always stuck on "not finished yet", or STATE is STARTED and the duration is "none". Here I attach a picture.

Also, I don't really understand how the component works. I only have one component (one experiment exported with OpenSesame). I can't seem to figure out which results I should take into consideration. Since I only have one component I don't think it is an issue of not taking into consideration another one or so. I read the whole documentation and surfed through the GitHub page as well but I would be happy for some help :)

Best,

Hülya

Comments

  • Hi Hülya,

    It's strange that the study results do not show state 'ABORTED' after you aborted the study. May I ask how you do the cancellation? How does the code look like?

    And about JATOS' components. If you have only one component they don't really make sense and it's best to just ignore the component results and just look at the study results. Components and their results make more sense if you have several of them in a study, e.g. first one does the introduction and consent, second one a survey, third one the actual experiment. Then you can see in the component results only all data e.g. from the survey.

    That said, it is strange that you have 48 study result and only 28 component result. I'd expect at least the same amount or higher of component results there (I guess this is why you made the red circles in the screenshot). In the case where you have a study result but no component result, what happened is, that your study run was started and a study result created - but then something went wrong immediately. One thing that comes to my mind is that your component's HTML file wasn't correctly named or didn't exist. Was this maybe the case here? Another idea: What does JATOS log say? You can find it under your-jatos-address/jatos/log.

    Best,

    Kristian

    Buy Me A Coffee

  • Hi Kristian,

    Thank you for your fast answer.

    Umm... I am not sure how I do the cancellation... I mean I didn't put any option for that, it's just ESC like default I guess. But maybe those numbers are caused by this: it is not the real experiment yet so I was playing around with the links and trying out how it looks. I mostly just closed the browser after making a few trials and that's it. Do yout hink that might be the problem?

    Unfortunately I am not allowed to access the log, so I can't share it with you...

    Also I noticed that after a few trials we started to get "JATOS isn't allowed to run a study with the study result ID ..." . But I don't understand this either because at first, we are able to run the study with a General Multiple worker link. And then after a while, it just stops working and gives this error. Is it because there is an expiration in the links or a maximum number of using it?

    Cheers~

    H

  • Hi Hülya,

    Umm... I am not sure how I do the cancellation... I mean I didn't put any option for that, it's just ESC like default I guess. But maybe those numbers are caused by this: it is not the real experiment yet so I was playing around with the links and trying out how it looks. I mostly just closed the browser after making a few trials and that's it. Do yout hink that might be the problem?

    Okay, then everything is fine and behaves as it should be. The state DATA_RETRIEVED is correct. JATOS only goes into state ABORTED if you tell it so via jatos.js functions, e.g. jatos.abortStudy or jatos.addAbortButton . The abort function gives the worker the possibility to cancel the study at any point during the study run and delete all previously stored result data. But if you don't use it and the study gets abandoned then it just stays at the last state, most likely DATA_RETRIEVED. And then if you want to finish a study you'd call jatos.endStudy or a similar function. You can find more about jatos.js functions in it's reference.

    Also I noticed that after a few trials we started to get "JATOS isn't allowed to run a study with the study result ID ..." . But I don't understand this either because at first, we are able to run the study with a General Multiple worker link. And then after a while, it just stops working and gives this error. Is it because there is an expiration in the links or a maximum number of using it?

    I guess, what happened here is, that you mixed up the study run link with the study's component URLs. The former one is the one you hand out to your workers. After starting a study JATOS automatically redirects you to the latter one. In the case of a General Multiple study run link you can use it as often as you want. But then those study's component URLs you get redirected too work only as long as the study is not finished (and other constraints).

    Best,

    Kristian

    Buy Me A Coffee

  • Maybe an example illustrates the difference better:

    The latter one is restricted.

    Buy Me A Coffee

  • Hi Kristian,

    Thank you a bunch for the clear explanation!! That solved a looooot of my problems :)

    Best,

    H

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