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PsychoPy2: Experiments in behavior made easy.

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PsychoPy, a behavioral science application, now offers a graphical Builder interface alongside Python scripting for experiment creation. This enhances accessibility and flexibility, supporting open science and reproducibility for thousands of monthly users.

Keywords:
ExperimentOpen scienceOpen-sourcePsychologyReaction timeSoftwareTiming

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Area of Science:

  • Behavioral science research
  • Psychology
  • Neuroscience
  • Linguistics

Background:

  • PsychoPy is a widely used application for designing behavioral science experiments.
  • Historically, experiment creation often required significant programming expertise.

Purpose of the Study:

  • To describe significant feature additions to PsychoPy over the past decade.
  • To highlight the impact of the new Builder interface on experiment design.
  • To showcase advancements in stimulus control, hardware polling, and open science support.

Main Methods:

  • Development and implementation of the graphical Builder interface.
  • Integration of Python scripting for advanced customization.
  • Enhancement of stimulus presentation options.
  • Introduction of asynchronous time-stamped hardware polling.
  • Improved support for open science principles and data reproducibility.

Main Results:

  • The Builder interface allows experiment creation with minimal or no programming.
  • Users can incorporate Python code for increased flexibility within the Builder.
  • New stimulus options and improved hardware polling enhance experimental precision.
  • Enhanced support for open science practices promotes reproducibility.

Conclusions:

  • PsychoPy has evolved significantly, offering a more accessible and flexible platform for behavioral science research.
  • The Builder interface democratizes experiment creation, while Python integration retains power for advanced users.
  • Continued development focuses on supporting open science and ensuring the project's future growth.