Hi, I am trying to compare two versions of a film. Respondents will indicate which version they saw. I would like to generate multiple choice questions randomly comparing one image from the first version and one image from the second version.
Some participants should see: A1 or B1? A2, or B2?
Others should see: B2 or A1? A2 or B1?
And all the other combinations. Doing this by hand would be tedious if not impossible. Does anyone have any advice?
Question
How does one generate many multiple choice comparison questions randomly?
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