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Thread: Problem with Correct output column and actual correct (case 5897)

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  1. #1
    Join Date
    Feb 2013
    Posts
    1,093

    need to use MinMax column of style file

    Hi Tamar,

    You will need to do two things to display the stimulus for 2000 ms even if a key is pressed:

    1) Put the word full at the end of any keypresses you define in cells of the time column for your trials where you want the stimulus to appear for 2000ms (See timdrichie's reply for an example)

    2) In the style file you will use for this input file write the value of xxx-2000 (where xxx is the minimum amount of time in ms you want the stimulus to appear on screen) in the MinMax column of whatever styles you are using with that input file.

    You can find instructions how to do this in the interactive instructions by going to Style Editor > MinMax - Setting RT Limits.

    Cheers.

    Psychboiler

  2. #2
    Join Date
    Aug 2012
    Posts
    75
    Yes, there do seem to be different issues going on here! TFK--If I recall correctly, there is only one correct column created for any given trial. Its primary purpose is as a convenience for single response trials so that the user does not need to compute a "correct" variable during analysis. In cases though where multiple responses are collected, I believe the "correct" column is not as useful. It should correspond to the final response, I believe. If so, you should be able to see if there is actually 100% correspondence between TRUE/FALSE and whether the particpant pressed the correct key for their second response. If not, please feel free to attach your input and log data files and I'll take a look!

    And Tamar--I think Tim and PsychBoiler have you covered?

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