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OpenSesame

OpenSesame is a tool to create experiments for psychology, neuroscience, and experimental economics.

Copyright, 2010-2024, Sebastiaan Mathôt and contributors.

http://osdoc.cogsci.nl/

About

OpenSesame is a graphical experiment builder. OpenSesame provides an easy to use, point-and-click interface for creating psychological/ neuroscientific experiments.

Features

  • A user-friendly interface — a modern, professional, and easy-to-use graphical interface
  • Online experiments — run your experiment in a browser with OSWeb
  • Python — add the power of Python to your experiment
  • JavaScript — add the power of JavaScript to your experiment
  • Use your devices — use your eye tracker, button box, EEG equipment, and more.
  • Free — released under the GPL3
  • Crossplatform — Windows, Mac OS, and Linux

Related repositories

OpenSesame relies on a number repositories that are all hosted by the Cogsci.nl organization on GitHub. The most important of these are:

  • opensesame contains core OpenSesame functionality
  • rapunzel is a set of extensions that turn OpenSesame into a code editor
  • osweb implements OSWeb, the online OpenSesame runtime
  • opensesame-extension-osweb embeds OSWeb into the OpenSesame user interface
  • pyqode.core implements generic code-editor widgets
  • pyqode.python implements Python-specific code-editor widgets
  • datamatrix implements a tabular data structure that is used by the loop item
  • qdatamatrix implements a Qt widget for editing datamatrix objects
  • pseudorandom implements pseudorandomization/ randomization constraints

Branches

Each major version of OpenSesame lives in its own branch. The default branch is currently milgram.

  • gibson - 2.8
  • heisenberg - 2.9
  • ising - 3.0
  • james - 3.1
  • koffka - 3.2
  • loewenfeld - 3.3
  • milgram - 4.0

Citations

  • Mathôt, S., Schreij, D., & Theeuwes, J. (2012). OpenSesame: An open-source, graphical experiment builder for the social sciences. Behavior Research Methods, 44(2), 314-324. doi:10.3758/s13428-011-0168-7
  • Mathôt, S., & March, J. (2022). Conducting linguistic experiments online with OpenSesame and OSWeb. Language Learning. doi:10.1111/lang.12509

License

OpenSesame is distributed under the terms of the GNU General Public License 3. The full license should be included in the file COPYING, or can be obtained from:

OpenSesame contains works of others. For the full license information, please refer to debian/copyright.

Documentation

Installation instructions and documentation are available on the documentation website ...

... which is itself also hosted on GitHub: