Loop variable referenced before assignment

[wakecarter]

@CLS_Lab_Managers

The text object that is being set = compQ is constant in one routine

This means that compQ needs to have a value set in a Begin Experiment code component which appears earlier in your experiment. Online this will fail because you can’t set/alter variables in code components that are also set by spreadsheets.

If you use code to load a spreadsheet then you can’t just use the column names to access the contents.

Wakefield's Daily Tips

Preloading stimuli in code Sometimes I want to load the stimuli before the main loop starts, so that I can, for example, insert prospective memory targets or N-Back trials, or apply constraints to the randomisation. The easiest way to do this is to use add a trial handler in a code component. This solution is taken from my PsychoPy Code Component Snippets - Google Docs. In Python, the code for a trial handler is: myData = data.TrialHandler( nReps=1, method='sequential', # or 'random' extraInf…