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Is it possible to do semi-randomization for 6 blocks?

nic720 United StatesCommunity Member Qubie ✭


I am currently designing a survey in which participants will view 3 sets of paired blocks (total of 6 blocks). I want to randomize the order of the blocks that they see, but ensure that paired blocks are never viewed directly before or after the other pair.

For example:

If we have blocks A1, A2, B1, B2, C1, C2

An example of an appropriate order would be: A1, B1, C2, A2, B2, C1 or A2, C1, B2, A1, C2, B1

However, we want to avoid the following: A1, A2, B1, C1, B2, C2, B1 (because A's are viewed consecutively) or A1, B2, B1, C1, A2, C2 (because B's are viewed consecutively).

Would this require custom code? If so, any assistance/direction would be greatly appreciated!

Thank you in advance for any help!!