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Common dilemma experiment

Hi, I am interested if there is a solution to create some sort of common dilemma game. Where three participants can simultaneusly take points from the coomon pool and also have an option to not take any points but to duplicate number of points in the pool?

Comments

  • Hi Ivan,

    This sounds like something you might be able to implement with Psynteract, which is a set of OpenSesame extensions for interactive experiments, developed by @Pascal and @mezzopiano .

    Cheers!

    Sebastiaan

    Buy Me A Coffee

  • edited February 22

    Hi Ivan,

    thanks, Sebastiaan, for pointing out psynteract. Yes, psynteract could definitely be used for implementing a common resource dilemma in OpenSesame.

    We do not cover this particular dilemma in our online examples (https://github.com/psynteract/psynteract-os/tree/master/examples) but you could start with the Prisoner's dilemma example and increase the group size in the psynteract_connect item to 3. The decisions of the other two interaction partners should be available as var.partner01_response_[item_name] and var.partner02_response_[item_name], which then allows you to update the resource size.

    Best,

    Pascal

  • Thank you for your reply Sebastiaan and Pascal! I have some trouble with psynteract conntection in that example of Prisoners dilemma. I copied command in a debug window and installed zip for that and later I tried to run as administrator and still I dont know what to do to make it work...


    Ivan

  • Hi Ivan,

    Do I undestand correctly that you have not managed to install PsyInteract?

    Eduard

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  • Hi Eduard,

    Well yes.

    Ivan

  • DId you follow the guidelines on the Github page? Can you give us more details on what system you work on, and what commands you tried? This will make it easier to trace down what it is, that doesn't work as expected.

    Eduard

    Buy Me A Coffee

  • Yes, I followed the guidlines but it could be that I am doing something wrong because I dont have any experience about setting programs... I downloaded psynteract form this link https://github.com/psynteract/psynteract-os and examples od prison dilemma from this link https://github.com/psynteract/psynteract-os/tree/master/examples and tried to run commands as it says in page. Then I started again in Opensesame but installation doesnt work. I dont know what it means by restart Opensesame, just to close and open again or something else. I tried run as administrator also but again installation doesnt occur. I am sorry, I dont know how to explain better, I hope you understand what Ive done and what is needed to do to make it work.


    Ivan.

  • Hi Ivan,

    have you followed all the installation steps outlined on this page?

    These are:

    To install the latest release, please run the following commands in OpenSesame's debug window:

    import pip
    pip.main(['install', '--process-dependency-links',
      'https://github.com/psynteract/psynteract-os/archive/stable.zip'])
    

    You'll need to restart OpenSesame after the installation for the plugins and extension to work.

    If the installation fails due to missing write access, you may have to run OpenSesame with administrator privileges for the installation (on Windows, right-click the OpenSesame program icon and select Run as Administrator).

    If you are using a recent version of OpenSesame for Mac OS, you might need to change the installation command and replace it with the following command (as OpenSesame for Mac OS uses a newer version of the pip package):

    import pip._internal
    pip._internal.main(['install', '--process-dependency-links',
      'https://github.com/psynteract/psynteract-os/archive/stable.zip'])
    


    Restart simply means to close OpenSesame and open it again. If the installation has worked you should find the psynteract items in the item toolbar and a top menu entry saying psynteract.

    If you have followed these steps and there are still problems, please specify which version of OpenSesame you are using (I would recommend OpenSesame 3.2.8) and on which platform (Windows? MacOS?).

    After installing the psynteract plugins, there are additional steps required regarding the installation of the server. These are covered here: https://github.com/psynteract/psynteract-docs/blob/master/installation.md

    You can also find a tutorial in the psynteract paper, which is now freely accessible: https://link.springer.com/article/10.3758%2Fs13428-016-0801-6

    Best,

    Pascal

  • In addition, it might be nice to see some screenshots on the error message that you get (or how you know it doesnt work), and the steps that you did.

    Buy Me A Coffee

  • Hi everyone,

    when I was trying again to set psynteract by this guidelines I successfully installed it. I will see further what I am going to do with research and experiment. Thank you all for helping me and giving me right information!

    Best regards,

    Ivan Milić

  • Hi Pascal

    I have similar problem when trying install psynteract.

    Follow the guidelines run as administrator and It says "module object has no attribute main". Then I try to "from pip._internal import main" and still doesnt work. My pip version is 19.3.1. Opensesame and Opensesame Script, both in my path system. I dont think to downgrade pip. I used win 10, python 3.6 and pip 19.3.1. Any sugest?

    Best

    Tanto

  • Hi Tanto,

    Can you try to use this command?

    import pip._internal
    pip._internal.main(['install', '--process-dependency-links',
      'https://github.com/psynteract/psynteract-os/archive/stable.zip'])
    

    Maybe that will do the trick?

    Buy Me A Coffee

  • Hi Eduard,

    Thanks for the reply, but the error still persist. However my plan is : downgrade the pip version, instaled psynteract then upgrade pip again. This is my last solution, hope this work.

  • Hi Tanto,

    which OpenSesame version are you currently using? I could be the case the psynteract has problems with OpenSesame 3.3 (we are working on it), but it should work with any previous version (e.g., OpenSesame 3.2.8 that you can download here: https://github.com/smathot/OpenSesame/releases/tag/release%2F3.2.8

    Best,

    Pascal

  • Hi Pascal

    Yes this could be version issues, I am running OpenSesame 3.2.5. Now after installation finish I tried to run OpenSesame 3.2.8, then get another issue : "this application failed to start because no Qt platform plugin could be initialized". I have already pyqt5 modul in my computer

    Thanks for the solution

    Tanto

  • Update

    The error only happen in OpenSesame 3.2.8 win64-python 3.6. Reinstalling using OpenSesame 3.2.8 win32-python 2.7 solve the problem, however I still have error message in psynteract: 'module' object has no attribute 'main'. With Eduard solution also still have an error. Now I trying with win 8.1 pro in my laptop using opensesame 3.2.8 win64-python 3.6

    Thanks

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