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Group: Administrators
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Suppose the two blocks you want to randomize are called a and b. Then you simply do:
<expt>
/ blocks = [1=demographics; 2-3 = noreplace(a,b)]
...
</expt>
You'll find this covered in the documentation for the <expt> element's /blocks attribute. In general, randomizing blocks in an experiment works the same way as randomizing trials in a block.
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