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Common Mistakes (aka Gotcha’s)¶

  • General Advice
  • My stimulus isn’t appearing, there’s only the grey background
  • The loop isn’t using my Excel spreadsheet
  • I just want a plain square, but it’s turning into a grating
  • The code snippet I’ve entered doesn’t do anything
  • My stimulus isn’t changing as I progress through the loop
  • I’m getting the error message AttributeError: ‘unicode object has no attribute ‘XXXX’
  • The window opens and immediately closes

If you are having problems getting the application to run please see Troubleshooting


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© 2002-2018 Jonathan Peirce
© 2019 Open Science Tools Ltd.

PsychoPy® and Pavlovia® are registered trademarks of Open Science Tools Ltd.
Last updated on Mar 31, 2023.
Created using Sphinx 6.1.3.

Uni of Nottingham