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Not logging time of multiple choice forms

HI!, I'm making and experiment where the subject needs to respond to 3 multiple choice forms in a row. The problem is that I'm not getting any time for the latency of the response. In the variable inspector i get NA in time_multiple_choice_1, etc. I need that because it is an important part of the experiment.


  • Hi,

    Forms aren't really intended to measure reaction times. However, you can do so by taking the difference between the timestamps just before and just after the form was executed. So basically, you would first set a t0 in an inline_script:

    t0 = clock.time()

    Then run the form. And finallt determine the response time:

    var.response_time = clock.time() - t0

    I attached a simple example script.



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