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GeeP
GeeP
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Hi,

I am trying to set up a Lexical Decision Task (LDT) such that 4 pictures/images (e.g., im1, im2, im3, im4) will be used as primes that need to be presented randomly with 4 categories of words (e.g., A, B, C, & D)  and matched nonwords (e.g., a, b, c, & d). The issue is that there are two sets of these words and nonwords with each set consisting of 32 words and 32 nonwords with each category in each set having 8 words and 8 nonwords. Now the idea is to counterbalance the sets between subjects such that some subjects get set 1 and others get set 2 and within each set, all 64 words and nonwords need to be randomly presented with the 4 images (64x4=256 trials). How do I accomplish this? I know that using the <list> function I can randomly present the 4 images with the 64 words and nonwords, but I am not sure how to randomly present subjects with one of two sets of words and nonwords.

Any help with resolving this would be greatly appreciated! Thank you very much in advance!
Best,
-G
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