If progress is supposed to be set only once per routine then put progress = 0.5 in Begin Experiment so you don’t reset every trial and the bar size (and fill colour) can update every repeat instead of every frame.
If progress is supposed to be set only once per routine then put progress = 0.5 in Begin Experiment so you don’t reset every trial and the bar size (and fill colour) can update every repeat instead of every frame.