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Thread: Displaying an equals sign

  1. #1
    Join Date
    Nov 2005
    Posts
    3,328

    Displaying an equals sign

    [edited from support email]
    I'm having a problem using "~=" as stim. It seems not to be displaying. I tried replacing the "=" with the word "equals", leaving everything else the same, and it worked fine. Do you know if there is an issue with using "=" as stim?

  2. #2
    Join Date
    Nov 2005
    Posts
    3,328
    I think that is occurring because ~= is used in cases where you want to set a text stimulus to be equal to the response from a previous trial (see Using a Subject's Response as a Stimulus in the section on Input Files > Stimulus in the user's guide for details). I haven't encountered this before, i.e., where one would present a single equals sign as a text stimulus. Since DirectRT is apparently having trouble understanding this, you can try inserting a space before (and after if centering) the equals like this:

    ~ =

    I just tried it and it seemed to work ok.

    -Blair

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