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Qualtrics: Randomly placing a Block in one of only 2 locations in the flow

I am designing a survey flow in Qualtrics. I have two blocks items (X and Y) that I would like to randomly place either before or after other other blocks of the survey (A,B,C) For example, I want exactly one of these two orders-- XYABCD or ABXYCD -- to be randomly assigned to the subjects.

I have randomly assigned questions in a block and randomly included (or omitted) a block, and randomized when a block is included...but I don't see the technique to randomize across one of two locations.

Online help directs me how to

  1. randomize whether and where a block appears (random block location),
  2. randomize question order in a block,
  3. randomize response options to a question, and
  4. randomize questions appearing in a block (e.g., treatment v control condition)
  5. make a block of questions appear a second time later in the survey

but not randomize a block to appear in only 1 of 2 places

Solution

  • Add a randomizer and under it set an embedded data field to 1 or 2, evenly displayed. Then add branches to the survey flow to display XY before ABC if 1 or after ABC if 2.