Advanced Randomisation question | Experience Community

LuisaC · 2022-12-21T08:30:33+00:00

I have a set of pictures that I need survey participants to rate. For each picture, I have multiple survey questions to get the picture ratings, which ideally should have a fixed order. For simplicity, I have organized each picture and the corresponding questions in a separate block.These pictures can be grouped into 5 categories, e.g. cats, dogs, horses, mice, and birds. For each category, I have 40 pictures, so let's say I have a set of pictures called [cat1, cat2, ...,cat40, dog1, dog2, ..,dog40,..]. The number in the picture is associated with a specific characteristic that is common across categories (e.g. 1: animals with a green background, 2: animals with a black background, etc.).I need to randomly order the questions in the following way:First I need to randomize the order of the 5 categories. Then, I need to show, in random order, one picture from each set with the ordering determined in the previous randomization. For example, one of the participants should see something with the following pattern, with no repetitions:Bird 1 Cat 39Mouse 9Dog 25Horse 10Bird 27Cat 3Mouse 17Dog 7Horse 39....Moreover, I'd also like to avoid a pattern where pictures sharing a characteristic are shown one after the other (e.g. Horse with a green background, right after the dog with green background).I would really prefer to implement this using Qualtrics API, but I am also more than happy to receive any feedback on how to implement this just using the more "standard" Qualtrics survey platform.

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