Description of the problem: Hey all, I’m trying to create an experiment that shows different sets of images. There are 5 positive images and 5 negative images. So far, I have 2 different Excel files. One Excel file has the positive images, and the other has the negative images. How do I get it to ra…

Hello [image] Jacob_Kachur: Then, when ran again, it has the chance to show the positive images first, followed by the negative. Does this apply to the same participant or is it between participants? If it is between participants, you could make the order of positive - negative dependent on …

This may help [image] Wakefield's Daily Tips Blog Avoid multiple spreadsheets One way of counterbalancing blocks in an experiment is to have an outer loop which points to a spreadsheet which contains the names of different spreadsheets to use in an inner loop.…

Hey Jens It just needs to be completely randomized between participants. It will only show both sets of images and that’s it but I need to be randomized in which is shows wether that’s positive first then followed by negative or vice versa. Best, Jacob

Hello @Jacob_Kachur Create a code-component before your trial-loop is accessed and paste the following code in a Begin Experiment tab. index1 = [] index2 = [] if int(expInfo['participant']) % 2 == 0: index1.extend(range(0,3)) index2.extend(range(3,6)) shuffle(index1) shuffle(index…

Randomize 2 Differ sets of Images

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wakecarter February 28, 2025, 7:51am 3

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Randomize 2 Differ sets of Images

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