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Manipulate random order

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  • MonikaT
    replied
    A trial that is using an event that has stimulus lists with let's say 20 items, will essentially translate into 20 different trials at run-time. To get a clearer picture, go to the Experiment menu and select Expand Events that Use Lists.

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  • drdreidel
    replied
    Not exactly... I want every trial to be presented from each block. Since the events in those trials include lists, trials get repeated--using a different item from the event list. I want to prevent this repetition.

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  • MonikaT
    replied
    Are you saying you only want one event from each trial presented?

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  • drdreidel
    started a topic Manipulate random order

    Manipulate random order

    I have a series of trials--each with a number of events linked to it--that I need to run in random order, but I want to prevent the trials from being run more than once in a single sitting. The events that are linked to the trials are lists, so each trial may occur as many times as there are items in the event lists (trial, 1; trial, 2; trial, 3; etc.). I need to stop these multiple occurrences and make sure each trial only appears once. Any thoughts?
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