Sequence with random start point


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Nesard
Nesard
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Hi,


I need help creating a task that seems to be very complicated. I'd appreciate your help.

I need to create an experiment where there will be 4 circles in the screen, one after another from left to right. 3 of them will be white and 1 will be highlighted in red. Each circle will have a number assigned (1, 2 3 and 4). The subject has to press the number of the highlighted circle as fast as he can, and every time he does it right, the highlighted circle will change. If he does it wrong, he will hear a beep.

The sequence for the highlighted circles is this: 3-1-4-3-2-4-2-1-3-4-1. I need to run this sequence until the subject has complete 100 trials (1 trial = 1 successful attempt to press the correct number for the higlighted circle). Every 100 trials will be 1 block, and I need to run 12 blocks. Every time a block starts, i has to start at a random point in this sequence.

I hope it is clear what I need to do. Thanks!
GO

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