Dear Qualtrics community,in our study we have 15 pictures and 15 questions and we would like to combine them into 15 blocks with one picture and one question each. We would like to randomize them without replacement so that none of the pictures and questions show up more than once for one participant. Furthermore, the combinations of pictures and faces should be randomized for every participant. Is there a way to randomize them like this or do we have to create every combination (15x15) of a question and a picture separately and randomize them afterwards?Thank you very much in advance for your help!

Just put the 15 blocks in a randomizer... It will display them in a random manner without replacement.

Randomization without replacement | Experience Community