Pascal

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• Hi Mike, glad to hear that most of the questions were solved! Regarding question 3: I would definitely try to ensure that the plots of individual trajectories are accurate even when the aggregate plots look fine to prevent that problems wit data p…

  in Mousetrap Visualization Questions Comment by Pascal December 2017
• Regarding question 4 (What is the proper way to analyze/visualize a design with a 4 corner set up like the one below? ): I actually spent quite some time exactly thinking about this :), i.e., the issue of calculating MAD/AUC/AD depending on whether…

  in Mousetrap Visualization Questions Comment by Pascal November 2017
• Regarding question 3 (I tried plotting the individual trajectories for a different experiment but something clearly went wrong.) Hmm, interesting. One idea I have is that the problem in the second case is that the coordinate system was not centered…

  in Mousetrap Visualization Questions Comment by Pascal November 2017
• Regarding question 2 (How can we identify and remove individual trajectories?): There are different ways. One way is to do as you suggested and to create a PDF of all individual trajectories using mt_plot_per_trajectory and inspect the trajectorie…

  in Mousetrap Visualization Questions Comment by Pascal November 2017
• Regarding question 1 (Is there a way to add "confidence intervals" around the plots of MT trajectories? ) yes, you can do this, e.g., of you plot the average x position of the time-normalized trajectory across time. You can find a demons…

  in Mousetrap Visualization Questions Comment by Pascal November 2017
• Hi Mike, first off: sorry for the delayed reply - I was travling in the first half of November and lost a bit track of what was going on mousetrap-wise in the OpenSesame forum. then: some meta-comments :) Good point about a place to ask mousetrap…

  in Mousetrap Visualization Questions Comment by Pascal November 2017
• Hi Matanel, I just looked again at the OpenSesame documentation for the mouse. I think you should replace your code above with: my_mouse = mouse() my_mouse.set_pos(pos=(400,400)) In your current setup, I don't think that the mousetrap_response plu…

  in [solved] Different mouse behavior in fullscreen vs. window mode Comment by Pascal October 2017
• Hi Matanel, I am not completely sure if I understand your issue. Am I assuming correctly that you have included a code like the following in the run phase (not the prepare phase) of inline_script_3_1? import pygame pygame.mouse.set_pos(400,400) …

  in [solved] Different mouse behavior in fullscreen vs. window mode Comment by Pascal October 2017
• Hi Sebastiaan, thanks for the clarification! Best, Pascal

  in Advanced loop operation weight always presented in blocks Comment by Pascal October 2017
• Thanks, that works!

  in Cannot access back-end settings menu in OpenSesame 3.1.9 Comment by Pascal September 2017
• Hi @sebastiaan, sorry for bringing the issue up again. But: since I cannot access the backend settings in OpenSesame 3.1.9 - is there a way set OpenGL to no via the script for Expyriment? I did not find a corresponding option there. Best, Pascal

  in Cannot access back-end settings menu in OpenSesame 3.1.9 Comment by Pascal September 2017
• Hi Candice, thanks, @sebastiaan, for mentioning psynteract. Felix is also in the forum - but a bit harder to find (as @mezzopiano). It definitely sounds like psynteract might be an option here. As Sebastiaan suggested, if you are using a Windows t…

  in Extending Screen to tablets Comment by Pascal September 2017
• Hi Mike, I tried out hiding the mouse in the mousetrap example experiment we provide online using your code. Interestingly, the problem does not occur if the experiment is run in window mode but it does occur if the experiment is run in fullscreen …

  in MouseTrap: can't get mouse position to reset Comment by Pascal September 2017
• Good point, just opened the issue on GitHub: https://github.com/smathot/OpenSesame/issues/554

  in Cannot access back-end settings menu in OpenSesame 3.1.9 Comment by Pascal August 2017
• Hi Ian, it is I think not possible to combine the media player mpy item with mousetrap as you cannot run mousetrap concurrently with the media player mpy item. However, as mentioned above you could use the custom python code option provided by the…

  in Mousetrap problem recording coordinates Comment by Pascal August 2017
• Hi Ian, to answer your question, it would be great if you could provide some additional information: Which item/plugin are you using for displaying the video? How did you create the scale below the video? Which mousetrap item are you using - mouse…

  in Mousetrap problem recording coordinates Comment by Pascal August 2017
• Regarding the question of the position of the buttons: I would suggest to put the buttons in the screen corners (as in your first screenshot). If the buttons are not in the corner it might increase the likelihood that participants have to make corre…

  in Mousetrap Plugin (Kieslich, 2017) Not working for more than 2 buttons Comment by Pascal August 2017
• Hi Mike, thanks for summarizing your approach. Just a quick comment regarding the linebreaks: If you use the <br> tag and not the<br /> tag you will also get correct feedback variables without creating an extra variable for the mouset…

  in Mousetrap Plugin (Kieslich, 2017) Not working for more than 2 buttons Comment by Pascal August 2017
• Thanks for the information! Definitely sound like you set everything up correctly. The quotation marks around PROBABLY NOT and DEFINITELY NOT are I think due to the fact that the values contain spaces. I think that the space between the words are c…

  in Mousetrap Plugin (Kieslich, 2017) Not working for more than 2 buttons Comment by Pascal August 2017
• Because depending on how RESP3 and 4 are defined the space between the two words (e.g. between probably and not) might cause the problem.

  in Mousetrap Plugin (Kieslich, 2017) Not working for more than 2 buttons Comment by Pascal August 2017
• Mhm interesting. Could you post the complete definition of each button here? And could you tell me were and how the variables RESP1-4 are defined?

  in Mousetrap Plugin (Kieslich, 2017) Not working for more than 2 buttons Comment by Pascal August 2017
• Hi Mike, Great that you are using OpenSesame and mousetrap! I am currently traveling so this is just a quick first guess (will be back on Sunday and can look at the issue in more detail then if it is not solved): Have you checked that all 4 butto…

  in Mousetrap Plugin (Kieslich, 2017) Not working for more than 2 buttons Comment by Pascal August 2017
• Hi Craig, which OpenSesame version are you using? Besides, could you try to install the mousetrap plugin using pip as described here? https://github.com/pascalkieslich/mousetrap-os#installation (please note that on Windows you need to run OpenSesam…

  in Failed to load mosetrap_form plugin Comment by Pascal July 2017
• Hi Sam, I think there are several options: 1) You can use the form base plugin to design a custom form (see documentation here: http://osdoc.cogsci.nl/3.1/manual/forms/custom/). It also allows you to use images (http://osdoc.cogsci.nl/3.1/manual/f…

  in Clickable mouse response for multiple choices (on sketch pad) Comment by Pascal May 2017
• That's great! Just a minor note for those people interested in attending ESCoP. I will give a talk there on "Mousetrap: Open-source and cross-platform software for mouse-tracking data collection and analysis" in which the data collection p…

  in Preconference workshops! OpenSesame and JASP at ESCoP, PyGaze at ECEM, and PsychoPy at ECVP Comment by Pascal April 2017
• Hi Fabio, the mousetrap_response plugin continuously records mouse positions and stores them as lists in the variables timestamps_[item_name], xpos_[item_name] and ypos_[item_name]. That is, if the item is called get_response, they are called times…

  in Record mouse position when mouseclick Comment by Pascal April 2017
• Hi Amihai, I assume you are using a keyboard_response item to record the key press. This will give you the duration after which the key was pressed (in the variable response_time). However, as far as I know it will not tell you for how long the key…

  in Measuring how much time a button was pressed Comment by Pascal February 2017
• Hi Candice, in other words, this means that you would like to have a task with four buttons that are separated by spaces from each other. And, in each trial, one of the four buttons represents the correct answer. If this is true, I think that you …

  in Several correct touch responses Comment by Pascal January 2017
• Hi Candice, to clarify: does what you are sketching represent the grid that should be displayed in each trial? N N N N N N N NN 1 1 N N 2 2 NN 1 1 N N 2 2 NN N N N N N N NN N N N N N N NN 3 3 N N 4 4 NN 3 3 N N 4 4 NN N N N N N N N i.e., does it …

  in Several correct touch responses Comment by Pascal January 2017
• Hi Candice, no worries, I think that this is one of the great things about OpenSesame that you can start using it without programming experience. Before discussing the specific implementation: I assume that the participant has to answers several t…

  in Several correct touch responses Comment by Pascal January 2017
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