Randomizing groups with no repeats

snowyapril

New Member
Joined
Jun 8, 2009
Messages
3
Hi there,

I'm trying to randomize the forms we use for study participants for two different sessions without repeats.

Specifically, at session #1 , participants are randomized to receive Form A, Form B, or Form C of the same measure. For session #2 , we want to randomize what form version they receive so that they are not getting the same form from session #1 . Therefore, if a participant was randomized to Form A at session #1 (from Forms A, B, and C), we want to randomize their receipt of either Form B or Form C at session #2 . If they were randomized to Form B at session #1 , then we would randomize either Form A or Form at session #2 . And so on...

How do I create this in excel without VBA?

Any help would be greatly appreciated. Please let me know if I can answer any clarifying questions. Thanks so much in advance!
 

Excel Facts

Test for Multiple Conditions in IF?
Use AND(test, test, test, test) or OR(test, test, test, ...) as the logical_test argument of IF.

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