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Evan Wall

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Latest activity by Evan Wall
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    Evan Wall created an article,

    Safely Exit from a Running Experiment

    Description This sample demonstrates how to implement early termination of a running experiment in E-Prime, while still retaining all data logging. The sample uses the GetUserBreakState function. ...

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    Evan Wall created an article,

    Sprite Manager (Image/Resource Caching)

    Description Sprite Manager is a set of routines used to assist in displaying a large number of images, low latency images, or both. The Sprite Manager routines are distributed as an E-Prime Package...

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    Evan Wall created an article,

    Stroop Sample

    Description In this sample, the color of the word is varied by setting the 'Stimulus' object's ForeColor property to an attribute reference. The attribute is then created in the 'TrialList' List ob...

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    Evan Wall created an article,

    Award Points

    Description This experiment illustrates the use of a global variable and InLine script to award points based on the responses made by the user.   Abstract Attributes are set to allow presentation o...

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    Evan Wall created an article,

    Countdown Clock

    Description This sample experiment demonstrates how to display a count-down timer to the subject using InLine script after a stimulus has been displayed for a specified amount of time.   Abstract T...

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    Evan Wall created an article,

    Differentiate between Left & Right SHIFT/ALT keys

    Description This sample demonstrates using the .DATA property of the ResponseData object to differentiate between left and right SHIFT/ALT key presses.   Abstract The .RESP property of a ResponseD...

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    Evan Wall created an article,

    Score Bar

    Description This sample experiment demonstrates two different methods (Slide object and Canvas) for implementing a Score Bar.   Abstract The first method uses multiple 'SlideText' sub-objects arran...

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    Evan Wall created an article,

    Insert a 'Pause'

    Description This example illustrates two methods for inserting a 'pause' during an experiment.   Abstract This example illustrates two methods for inserting a 'pause' during an experiment. Conditio...

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    Evan Wall created an article,

    Criterion-based Exit

    Description This example uses a Summation object and a trial counter to evaluate criteria for exiting a procedure.   Abstract The variables used in this sample are declared in the User Script  (ALT...

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    Evan Wall created an article,

    Present Trials for a Specified Duration

    Description This example illustrates how to run trials for a specific amount of time (e.g., run as many trials as possible in 5 seconds). Abstract This example illustrates how to run trials for a s...