Randomizing no replace of blocks that are not sequential

kd01 — Thu, 21 Dec 2017 10:36:06 GMT

Hello,

I have a task in which I hope to present three open ended trials (with different stimuli) in random order and between each openended trial present a survey on that trial and then a reminder of instructions. Is it possible to use the norepeatnoreplace command in the following way and still ensure there is no repeat of of any particular open ended trial but that they are each still shown randomly?

<exp>
/blocks = 1=start; 2=norepeatnoreplace(one, two, three); 3=survey.Survey1; 4=reminder1; 5=norepeatnoreplace(one, two, three); 6=survey.Survey2; 7=reminder2; 8=norepeatnoreplace(one, two, three); 9=survey.Survey3; 10=end
</exp>

RE: Randomizing no replace of blocks that are not sequential

Dave — Thu, 21 Dec 2017 10:36:06 GMT

[quote]

[b]kd01 - Wednesday, December 20, 2017[/b]

[/quote]

No, that syntax is not correct / will not yield the desired result. What you should do is simply:

/blocks = [1=start; 2,5,8=noreplace(one, two, three); 3=survey.Survey1; 4=reminder1; 6=survey.Survey2; 7=reminder2; 9=survey.Survey3; 10=end]

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Randomizing no replace of blocks that are not sequential

RE: Randomizing no replace of blocks that are not sequential