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elisa

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elisa
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  • Hi Bo, Your solution to randomily assign roles is as valid as mine, as far as I can tell. As long as you don't have any systematic differences in sign-up order (e.g. women start always first, younger people start always first, etc) then it should wo…
  • Hi Bo, On which basis would you like to assign participants in the group different roles? If you wanted to assign them by order of appearance, it's easy: You could have a first component in your study (or use the waiting room in our examples) where…
  • Hi, yes, the batch should behave exactly in the same way locally as in the server. You've got a typo though: it's jatos.onLoad , not .onload . Maybe this already explains why your code chunk doesn't run? Best
  • Hi zohar, First, you posted this question twice. I'll respond here but please try to keep the forum clean. Second, it looks like you have a file permission issue. That's independent from JATOS. Third, most importantly: Do you want to install JATOS…
  • Hi again, one thing I just noticed: jatos.submitResultData will replace (overwrite) any existing data on the component. You probably should be using jatos.appendResultData instead.
  • Hi Elise, I'm a little bit lost in your code because I don't see where you use the ra_num value in component B. I'll respond to a few different points, they won't be a fully worked out solution but I think it will help you get closer at least. Fi…
  • Hi, There's no built-in functionality but in your case it seems like it will be rather straightforward. You're right that the batch session is the way to go, because it's a data structure that outlives any study run. And given that your participa…
  • Hi, exactly. the test server is not meant for data collection. And your local JATOS is local. You could expose your local JATOS running on your laptop (you’ll find details in the wiki) but the best is that you check out Mindprobe: https://mindprobe…
  • Sorry, there is no way. If you are using a local server of your university/institute, you might be able to talk to your admin and ask if they've set up daily backups. Otherwise, deleted data are deleted. Sorry! Elisa
    in Deleted results Comment by elisa June 7
  • Hi Alberto, Image 2 is odd actually. You do have data, but very weird. I don't see in which case you would have gotten just an opening (or even weirder) just a closing bracket. That actually sounds like a client side (OSWeb/JS) issue. I'll tag @lva…
  • Hi alberto That’s weird: you can’t download any of the result data that are not finished? Are you sure this is the case? I have the feeling you might not have seen a couple of functions in the result table: You can expand on a result by clicking on …
  • Hi Alberto, Ok, in your first message it wasn't clear but it sounds like you are using JATOS on the Mindprobe server. That changes things: Kristian is the official admin but sadly we don't have the capacity to look at individual cases. (If this is …
  • This sounds like a client-side issue. If you write your study using OSweb, you should try their forum. I’ve moved the discussion there.
  • Hi, On Prolific it's actually easy: use the Prolific ID to align the data from two participants. (See point 2. in this page on the JATOS docs: https://www.jatos.org/Use-Prolific.html#2-optional-consider-passing-prolific-url-parameters-to-your-study…
  • Hi Kim, we’d need a bit more information to understand the problem. Can you open the console in the browser (on chrome it’s called developer tools) and check which error messages you get, if any? elisa
  • Thanks, but I wanted to see something more complex than the hello world example, or the default shiny app when one creates a project. This will let me see how a proper survey with many questions looks like and I will know better where to include all…
  • My first thought is that you are trying to execute this before the jatos.js library is fully loaded. Try the same code, but within the callback function jatos.onLoad(), as we explain in point 2 here: http://www.jatos.org/Adapt-Pre-written-Code-to-r…
  • The only disadvantage is that you’d have to write this into your OSWeb study, which I don’t know how to do :) if you do,I see no obvious difference
  • Hi, R shiny creates an HTML file in the end, so you wouldn't be reading R on the browser, but HTML/JS. So it might be possible. As far as I know, shiny apps expect a "shiny server", so there must be some functions that are posting data to…
  • Hi, You can't have two separate links for two separate components. Instead, what I would do is have three components (as I described in an the answer to your other question Component 1 is called "Assign Conditions". All workers will alwa…
  • Hi Sine and @eduard, Batch data sessions (and the functions to access them) are JATOS-related. [Edit: now I see your other question.] but I am not familiar with how to write additional code in an OSWeb study, so I can tell you which functions you ne…
  • But let's ask @Eli for her opinion, she did several studies with counter balancing. I would not ask that people have to include the names of their conditions in the batch, as you just defined it. Imagine somebody wants to test 300 people.. it will b…
  • Hi, It depends on how you wrote your study. It sounds like you have two components in your study, with the first session in component 1 and the second session on component 2? Either way, you need an if statement. On the batch session, assign to you…
  • Hi, There's no built-in way. What you could do is use the batch session data together with a personal multiple worker: In the batch session, store the number of runs that a given participant did (how you identify them is up to you). In your JS, you …
  • Hi Pia, You can try to open the Developer tools (on Chrome: View -> Developer -> Developer tools) and see if you see any errors in the console. We'll then be able to tell if it's a problem with JATOS or OSWeb And maybe @lvanderlinden might be…
  • Great that it works! The docs explain how jsPsych and JATOS interact. http://www.jatos.org/jsPsych-and-JATOS.html, in case you come across the same problem again
  • (Unless, that is, there’s a situation that I haven’t thought about where this really is crucial)
  • Hi both, this is obviously an interesting feature to add and it’s nice to have a very robust tool that works without any hiccups. But I just want to add a very practical perspective: It seems to me that the number of times that this is an actual pr…
  • Dear S,  without much more context it's hard to know what the problem might be. The one thing that comes to mind is: do you call  jatos.urlQueryParameters.participant after jatos.onLoad? http://www.jatos.org/jatos.js-Reference.html#jatosonload It ta…

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