I’ve just started working my way through the Building Experiments in PsychoPy textbook. In Chapter 3 where it walks through creating the Glasgow Face Matching Task (GMFT) I think there may be an error, but because I’m new to this it seems more likely I’ve misunderstood.
When an image is placed onto the screen, the orientation of the image references a variable called $ori. The conditions file that lists all the trials doesn’t have such a variable in the book or from the online resource for this book. When I try to run the experiment it understandably complains that the variable doesn’t exist.
Can any confirm that I should revert back to whatever it was as default, or am I missing something?