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Multiple random pairings

  1. #1

    Multiple random pairings

    I'm searching for a way to do the following; I believe MediaLab can do it, I'm just not sure how.

    Basically, there are both within-subjects and between-subjects manipulations at play. What I want is for each subject to recieve a stimulus screen with three components, at five different levels, and I want them to get each level once. So for example:

    Subject 1
    1A_
    2B+
    3C=
    4D/
    5E?

    Subject 2
    1C=
    5B+
    2A/
    4D?
    3E_

    and so on and so forth.

    It seems like there should be an easy way to do this (to simply say select randomly from this set of variables) but I haven't found one that doesn't required manually coding in all the possibly combinations.

    Suggestions for the n00b would be much appreciated.

  2. #2
    jarvis24 Blair Jarvis, Administrator
    MediaLab is less adept at this sort of thing than is DirectRT (with which this would be quite easy). Do you have access to DirectRT?