Recording Multiple Mouse Clicks on a grid of letters

[Michael]

This seems to have been answered here:

Mouse click record selections and end routine on final “okay

It should be set to “every repeat” so that the colour re-sets at the beginning of each trial to its default value that you specify. If it is set to “every frame”, it would keep updating with the default value 'white' you provide, which would immediately counteract the change applied in the code, so no change would be apparent. “constant” would mean that it should change in response to the code, but not get re-set at the start of each trial. If it is still not changing, it would be worth tempor…