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Randomizing Image Side with Conditions

wongnq — Wed, 06 Oct 2021 21:34:07 GMT

Hello,

I am trying to create an experiment consisting of two images side-by-side on the screen, with the hposition of the images randomized for all trials (20% or 80%), and participants will press either the right or left arrow to select the correct image. There are a total of 18 trials randomized in order, and we want to program it so that the correct response is never on the same side for more than three trials in a row (e.g. the correct answer will never be on the left for more than three trials in a row). We also want there to be an even number of left and right correct answers. Is it possible to do this?

Thanks in advance!

RE: Randomizing Image Side with Conditions

Dave — Wed, 06 Oct 2021 21:34:07 GMT

+x[quote]

[b]Alyson - 10/6/2021[/b]
Hello,

I am trying to create an experiment consisting of two images side-by-side on the screen, with the hposition of the images randomized for all trials (20% or 80%), and participants will press either the right or left arrow to select the correct image. There are a total of 18 trials randomized in order, and we want to program it so that the correct response is never on the same side for more than three trials in a row (e.g. the correct answer will never be on the left for more than three trials in a row). We also want there to be an even number of left and right correct answers. Is it possible to do this?

Thanks in advance!
[/quote]

Yes, all of that is perfectly possible to do.