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Pascal

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Pascal
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  • Hi Timo, I think that I do not completely understand the procedure you want to implement, but maybe some general comments that might help: The response time is recorded by the mousetrap_response item in the variable response_time_[item_name] so shou…
  • Hi, which OpenSesame version are you using (+ on which operating system)? Do you have the most recent development version of mousetrap-os installed (see https://github.com/PascalKieslich/mousetrap-os#installation)? Best, Pascal
  • Hi David, concerning the first question: Is this something that needs to be implemented in the experiment itself? That is, except for the fact that you want to start tracking coordinates only when y=128 are crossed, is there something that happens a…
  • Hi there, I think the comment by @cesco is correct. The problem is that OpenSesame for Mac OS and for Windows seem to be using different versions of the pip library. We already discussed this issue in the following thread: https://forum.cogsci.nl/di…
  • Have you followed the instructions at https://github.com/PascalKieslich/mousetrap-os/blob/master/README.md#installation? If you are using Windows you need to run opensesame as an administrator to avoid the access denied issue. Hope this helps! Best …
  • Hi there, the following is only a notification but not an error message: "You are using pip version 9.0.1, however version 19.2.3 is available. You should consider upgrading via the 'python -m pip install --upgrade pip' command." So in pri…
  • Hi, could you specify which version of OpenSesame you are using? If you are using a version of 3.2.0 or later: have you installed the most recent development version of mousetrap, as described here: https://github.com/PascalKieslich/mousetrap-os#dev…
  • Hi, glad to hear that you like the mousetrap software packages! :) How would you specifically like to define "acceleration on the first recorded section of the trajectory"? That is, what is the first recorded section? The first XXX ms? O…
  • Hi Mike, mt_measures computes four velocity related measures: vel_max: Maximum velocity (i.e. if there are both positive and negative velocities, the largest positive value) vel_max_time: Time at which maximum velocity occurred first vel_min: Minimu…
  • Hi Mike, glad to hear that resampling solved the problem. I again thought about the potential biasing problem: I actually think that resampling itself should not bias the velocity calculation. The only bias that could occur is if a change in positio…
  • Hi, glad to hear that you enjoy working with the mousetrap package. :) Regarding the paper you mentioned: yes, you are looking in the right place (for anyone else interested: the R markdown file can be found on OSF at https://osf.io/s4wy5/). Within …
  • Hi all, unfortunately I don't think you can use the mousetrap plugin while showing a video as it is usually tracking the mouse while a constant canvas / sketchpad is shown. Probably you would need to write some custom code which I believe is possibl…
  • Hi Mike, the angle calculation looks fine to me. The aggregated plot might be a bit misleading as it averages the values for each specific time point and if one trial only has a recorded position at say timestamp 501 ms it will not be reflected for …
  • Hi Mike, if the problem happens also with the xpos, my guess would be that the cause is the following: there could be a few (probably very few) trials in the mismatch condition where the time passed between two adjacent logged positions is > 30ms…
  • Hi Mike, that's weird indeed! Without the raw data to reproduce it I have to admit that I don't know the answer. Could you try to replace y="vel" with y="xpos" to see whether there is a general problem or whether this problem is…
  • Hi Mike, we do not calculate it directly. However, the mt_angles function calculates the movement angle for every point of the trajectory, including a vertical based angle. If you find a way to filter the trajectory beforehand so it only contains th…
  • Hi there, are you getting this error message when running the example experiment on your laptop or on the Android tablet? Best, Pascal
  • Hi there, you already have correctly identified the source of the issue :) . Because there is one RT variable in mt_data$data and one RT variable in mt_data$measures, the dplyr::inner_join function adds a .x to the variable from the first dataset (m…
  • Sorry for the very late reply! With psynteract, you could do two things that would maybe be suited for your problem: The psynteract_connect item is required so all clients connect to the server. Aftetwards, a wait screen is displayed until you start…
  • Hi there, the error probably occurs because psynteract tries to connect to an open session on the psynteract server and it seems that there is no open session. You could either try to open one or activate the "Offline test mode" option in …
  • Hi Yu-Cheng, could you specify which OpenSesame version you are using? And which version of the mousetrap plugin (i.e., the development version or one previously released version)? Best, Pascal
  • Hi Gina, I would like to use mousetrap to analyze how people navigate between landmarks on the screen using the keyboard/mouse -- this means that the start and end points are not the same, so if I understand correctly, I would need to spatially norm…
  • Hi all, thanks a lot @eduard for providing a solution! I was out of office for a conference so I only checked the forum again today. Regarding the times < 300 ms: I think that this has to do with ensuring an accurate presentation time taking the …
  • Hi, this error could occur if you are using the "psycho" backend together mousetrap. As noted in the mousetrap documentation, mousetrap is not compatible with this backend. If you are using the "psycho" backend, could you switch …
  • Hmm this is weird. I just checked the installation procedure using OpenSesame 3.2.7 under Windows 7 and Windows 10 and it worked for me. I run OpenSesame as an administrator and then paste the following two lines in the debug window import pip pip.m…
  • The message you are posting is not an error but a warning, because OpenSesame is using an old version of pip. If you have run the commands specified above, you simply need to restart OpenSesame and the mousetrap items should be present. If not, coul…
  • Hi, if you use the mousetrap_response item to collect the mouse response, you can use it to reset the mouse to the specified position. It also automatically computes the initiation_time variable, which is the time until any movement was initiated (w…
  • Hover effects are currently not implemented in mousetrap so I think that Eduard's approach makes the most sense. A similar strategy using mousetrap could be (copied and adapted from Eduard's post): 1) Create and show default canvas 2) Enter a while …
  • This discussion is a duplicate of the following discussion so I closed it: http://forum.cogsci.nl/discussion/5001/plug-in-not-working

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