Emotional Stroop Task problem of randomization and valence

[wakecarter]

Have a look at my Emotional Stroop for Mobile online demo

PsychoPy Online Demos

If you have routines or experiments that are likely to be useful to others, please create a post in this thread, editing your post to add new demos so there is one post per creator. Ideally set your demos so they can be tested without consuming a credit (if you don’t have a site license) by adding a final routine that can’t end, disabling save incomplete results and adding a small number of credits. Please do not discuss the demos in this thread or create more than one post unless you have a la…

I can’t remember if I use it there but the way I randomise with no repeats is to use the modulus function.

For example, if you have four colours.

thisColour = (thisColour + 1 + randint(3)) % 4

This will add a minimum of 1 and maximum of 3 to the current colour index.