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Pascal

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Pascal
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  • Hi Michel, completely agree, visualizing individual trajectories can be very helpful. Mousetrap also offers dedicated functionality for this, i.e., to visualize individual trajectories after you have imported several of them together.: mt_plot_per_t…
  • Hi Michel, Thanks for bringing this up. The code above looks good to me. The edge case of a trajectory dataset that only consists of a single trajectory (which I believe is in practice very rare) may cause issues in some of the mousetrap functions a…
  • Hi there, implementing drag and drop is not possible using the mousetrap-os plugins. However, I believe that it should be possible to implement using general OpenSesame functionality. Maybe you can ask in the OpenSesame forum category for advice. Be…
  • Hi Jianguo, sorry for the late reply, seems I missed this post. From your description it sounds like you did install the correct version of the mousetrap-os plugins (i.e., the development version). I also tested it with OpenSesame 4.0 (back in July …
  • Hi Wenting, thanks, @eduard, for comment. The documentation of mt_plot_aggregate and examples can also be found online at: http://pascalkieslich.github.io/mousetrap/reference/mt_plot.html Eduard's general approach would work. In terms if mousetrap: …
  • Hi there, thanks for commenting, @eduard. It seems I missed the question above (for some reason I did not get a notification via email for this specific post). I agree with what Eduard wrote. In terms of the calculation, we discuss the differences …
  • Hi there, the mousetrap R package does not provide a function for exporting .mt files. However, it is possible to import several .mt files, change the subjID and then perform analyses using mousetrap. The code could look something like this (see als…
  • Hi there, excluding variable parts of a trajectory is not directly implemented in mousetrap and is indeed challeging to implement in the underlying arrays. In this case, having trajectories in a long format might actually be easier. I don't know how…
  • Hi Aviv, the idea with 2 sketchpads and 2 mousetrap_response objects seems to be best suited for your problem. In the simplest implementation you then just specify a timeout for the first mousetrap_response item, which corresponds to the time delay …
  • Hi, that's an interesting error and without knowing more about the data it is a bit hard to uncover the source. I took a look at the code of mt_remap_symmetric again (I assume that this is the remapping function you are using): The error specificall…
  • Hi there, thanks, Eduard, for moving the question. @Lola: Together with colleagues, I developed the mousetrap plugins to facilitate mouse-tracking in OpenSesame. More information on the plugins including example experiments can be found here: https:…
  • Hi there, that's a good question. Maybe first a comment regarding "the last trajectory was copied and pasted throughout that column": That's a general behavior in OpenSesame. Whenever there is a logger item, the current state of all variab…
  • Hi there, just saw this question was moved to the mousetrap category (sorry, did't see it before). I am not sure what you want to implement exactly. Could you provide more details, especially regarding the specific purpose you want to use the corout…
  • Hi there, that's a good question. I believe a similar question was asked some time ago in the following thread: https://forum.cogsci.nl/discussion/4738/remapping-trajectories-to-both-sides-sorta#latest I provided some demo code there to solve it. I …
  • Hi Carlotta, before answering your questions you raise at the end I try to comment on some of the points in your data preparation before first, as they might resolve some of the later issues. Maybe you could try them out first and then bring up rema…
  • Hi there, I just googled this error message and found a discussion of it here: https://support.rstudio.com/hc/en-us/articles/4415936301335-Resolving-Rcpp-precious-remove-error It seems that an update / reinstallation of the Rcpp package could fix th…
  • Great that it worked out! And I think that using mt_import_long completely makes sense for your application.
  • Hi there, nice data. :) I think what you want to do could be possible with mousetrap. However, to perform time normalization you also require timestamps in addition to the x and y coordinates. Do you have these avaiable? If so, you could try to impo…
  • Dear David, Great that you have a solution now. Just wanted to add for completeness that collecting both key press and clicking would not have been possible so I also believe that Python inline scripts are the way to go. Best Pascal
  • Hi Sara, I think there are some minor issues with some of your code snippets above: raw_remapped <- mt_align_start_end(raw_remapped,           use = "tn_trajectories",           save_as = "use",           dimensions = c("…
  • Hi Sara, could you share the complete code for preprocessing, i.e., including the part where you align the trajectories and the code you use for plotting? Also, you were writing "align start and finish" above in which case you would not ha…
  • Hi Sara, within the mousetrap package, there is no standard measure for that. However, you could compute it with the following code: library(mousetrap) # Use example data from mousetrap package mt_data <- mt_example # Compute derivatives to mak…
  • Hi there, what command did you use for installing the mousetrap plugin? If you are running OpenSesame 3.2.8, you need to install the latest stable version of the plugin and the command depends on the operating system you are using, as for Mac OS the…
  • Hi there, thanks & happy New Year to you as well! Regarding the first question ("would it make sense to say that individuals in Group A (e.g., Non-native speakers of English) were more biased towards the competing response options than Grou…
  • Hi Laura, which experiment are you using for your test? If you are still using the ultimatum game, this cannot be tested in offline test mode (due to the not assigned roles, see above) and you will get the error message that you just shared ("p…
  • Hi there, if you are using a Windows computer and have not changed the mouse velocity settings, this usually means that cursor acceleration is enabled (see the following paper in which we discuss this topic and investigate the influence of different…
  • Dear Sofia, please excuse the delayed reply. As I have left academia some time ago (transitioning into an industry position), it usually takes me some time to answer questions in the forum as I can only check it in my free time. (I still continue to…
  • Hi Laura, yes, you are right, this issue is due to the offline test mode (as it does not support roles). However, you should be able to run the prisoner's dilemma example in offline test mode without issues. Best, Pascal
  • Hi there, I think this question is somewhat similar to the following thread: https://forum.cogsci.nl/discussion/4412/selecting-data-for-mouse-measures However, here the difference is that the duration that should be excluded in a trial varies betwee…
  • Hi Laura, once installing the psynteract plugin for OpenSesame using the command above, all six psynteract items should be available within OpenSesame. The option "Offline test mode" can be found within the psynteract connect item. Best, P…

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