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Paula

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Paula
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  • Hi! I don't really have an answer, but I wonder if it has to do with the way you specify pupil_size: shouldn't you specify whether you mean left or right pupil size? Looking inside the libtobi.py, it says that pupil_size is a tuple. Maybe that's wha…
  • @sebastiaan : Thank you VERY much for clarifying this!! I really appreciate your help!
  • Sorry @sebastiaan , I didn't explain myself clearly: even when the plugin is added I still get the error message name 'srbox' is not defined The experiment is nothing more than a welcome sketchpad, the srbox plugin, and the inline code, and the exi…
  • Hi @sebastiaan Thanks for the reply! I'd much rather use the plugin (I've used it before and it works perfectly), but I want to integrate this inline script in a coroutine. The plugin doesn't seem to work in the coroutine (I've tried without succes…
  • Hi @eduard , Thank you very much for the change made! I greatly appreciate the help. With your workaround, I might also get it to work with the srbox, which is what we would prefer :) Best, Paula
    in N-back task Comment by Paula September 8
  • Hi @eduard We decided to modify the Nback a bit and have stimuli equally spaced out at 2500 ms, regardless of whether they are a target or not. That is, if the correct answer is no response, then the timeout should be 2500 ms. If the correct answer…
    in N-back task Comment by Paula September 8
  • Hi! After checking your experiment, I do believe that the response time you get is accurate. If you check the data file, and subtract "time_flicker" from "time_stimuli" you can check that the value is the same as (or very very cl…
  • Thank you very much for the response! I managed to program the N-back task using different vectors, one that tracks the targets/non-targets and one that keeps track of the stimuli shown. Then, I compare the current stimulus with the stimulus that is…
    in N-back task Comment by Paula September 7
  • I ran into a different challenge: how can I verify that (x-3)th letter in the first block is not the same as the xth of the second block? For example, for a 3 back task: if block 1 contains B, M, N, V, C, in this order, and if block 2 contains H, …
    in N-back task Comment by Paula July 22
  • Thank you for the reply! I am trying to create my own task relying on multiple examples and also your code in the linked thread. I'm happy to share it here once it works. I also want to log the 'false alarms', that is, when participants press the re…
    in N-back task Comment by Paula July 22
  • Hi! What would be "good" value for accuracy and precision? Is there any recommended threshold? Any reference would be much appreciated. Thanks in advance!
  • Hi! I just wanted to say that I still get this logging issue... anybody else experiencing it with Tobii?
  • Thank you for the tip on print(var)! I figured it out because the OS documentation mentions that for some forms (ratingscales vs checkboxes), the default is 'None' and for others it is 'no'. I tried both to see which one works, taking a low-tech ap…
  • It seems to be working by changing " None " to " u'no' " in this way: if u'no' in [var.educ]:
  • Hi! I have an additional question :) What if I also want to add a form validator (forced response) to this question? I know I need to add this code to an inline script: while True: incomplete = False items.execute("form_multiple_choice"…
  • Thank you very much, Lotje! This is a very good solution to my problem. Best, Paula
  • Hi! Your code looks correct. What is not working? Do you get an error message? Maybe try putting JPG in capital letters? Edit: Also, maybe check the answers and examples here: https://forum.cogsci.nl/discussion/6679/experiment-keeps-running#lates…
  • I'd like to provide a bit more context to my question. The question in the survey is: What educational titles do you have? And hypothetical answer options are: Level 1 Level 2 Other Respondents can select multiple educational levels. The problem is…
  • Hi Sebastiaan, Thank you for the fast reply! I will check out the monokai color scheme. Best, Paula
  • Hi, Did you find a way to analyze the Tobii data? After some data wrangling I managed to get some analyses done by using pupillometryR: https://www.uni-potsdam.de/wild2019/assets/Forbes_PupillometryR.html#1 It would be great to hear if you have any…
  • Hi, I don't have an answer to your question, but I can recommend this paper: Mathôt, S., Fabius, J., Van Heusden, E., & Van der Stigchel, S. (2018). Safe and sensible preprocessing and baseline correction of pupil-size data. Behavior Research M…
  • I'm glad it worked!
  • Hi! You need to check the name of the variables in the form widget (upper part). You can also check the name of your variables in the menu in VIEW -> VARIABLE INSPECTOR (my version of OS is not in English, but it should be called something like t…
  • Hi, What worked for me in a similar case, was to manually add the variables from the questionnaire in the logger. So, in logger and/or new_logger_1, you should add each name of the variables you measure via forms. Also, you can link the logger, then…
  • Hi! I'm not really sure I understand your message, but could it be that you are overwriting the same variable instead of creating a new one for each dimension of interest? Could you attach the csv or a screenshot?
  • Hi Eduard, Calling the function you suggest in an inline script works perfectly. Thanks! Paula
  • Hi! Check out these sites for how to program a rating scale via an inline script: https://osdoc.cogsci.nl/3.2/manual/forms/widgets/ https://osdoc.cogsci.nl/3.2/manual/forms/custom/ You basically just need to copy the code there in an inline script a…
  • Hi Edwin, I am a colleague of Patricia, working on the same project. We still get the attribute 't0' error that Patricia describes in point 1. I opened an issue on GitHub, and also contacted Tobii support. From Tobii support, they say it does not s…
  • I have a similar question, and I think that using a the drift correction in PyGaze is a mid-way solution for this problem. I have not tried it out yet, but I read that the drift correction is meant to assess the difference in detection that may occu…
  • Hi, That's certainly odd. Does the NA row log any of the variables, i.e. correct, or total_correct or response_time, or is it just NA for all variables? Could you upload the experiment? Best, Paula

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