random trial selection


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plush
plush
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Posts: 57, Visits: 96
Hi guys, I wish to randomly start a trial. I was thinking of branching:

<trial agencyneg>
/branch = [trial.agencynegA]
/branch = [trial.agencynegL]
</trial>

<trial agencypos>
/branch = [trial.agencyposA]
/branch = [trial.agencyposL]
</trial>

<block main>
/ trials = [1-10 = noreplace
(agencypos, agencyneg);
11-12 = noreplace (eva_pos, eva_neg)]
</block>

However this always starts the first trial of the branch procedure.

Any advice is appreciated.

Thx!
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