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I am creating a working memory task where I will present participants with 1-3 colored circles at 1 of 8 pre-allocated positions along an imaginary circle. After a brief delay, I will present a placeholder circle at the location of each originally-presented circles, and participants will report the color of the circle in the bolded placeholder.
I want to ensure that when 3 colored circles are presented....
1) The location of each circle is different
2) The locations from trial to trial are different
What is the best way to set this up? I have created a hard-coded list of nearly every variable that requires pseudorandomizing, but it's not clear how to hard code pseudorandomized locations along an imaginary circle, especially if the radius of that imaginary circle needs to change based on the size of the participants' computer monitor.
Thanks!
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