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June 2016 eNewsletter

iWorx Systems, Inc.
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EriksenFlanker Test

The Eriksen Flanker Test is also known as theEriksen Paradigm and was coined by Eriksenand Eriksen in 1974. They had subjects respond with one hand if acentral target was an H or a K and with the other hand if it was an Sor C. The flanking items were either from the same response set as thetarget (congruent, ex: H flankers with K target), from the otherresponse set (incongruent, ex: S flankers when the target was aK), or neutral (ex: X flankers when the target was a K). Responses totargets with congruent flankers are generally faster than responses totargets with incongruent flankers. This paradigm examines to whatextent irrelevant information is processed during a visual task.

The flanker paradigm has been used to investigate what factors mayaffectselective attention and the extent to which processing of irrelevantinformation occurs. There are many types of the Eriksen Flanker tests -most use images, but others can use colors or letters.

The classic flanker effect using ARROWS(←→):Flankerswill be arrowswhich are presented next to target stimuli and which have been shown tointerfere with target responses. All arrows may be facing the samedirection (congruent), or the center arrow may be facing the oppositedirection (incongruent). The classic flanker effect shows differencesin reaction times for response to both the congruent and incongruentarrows.

Download the Eriksen Flanker TestExperiment:

Openversion (iWorx TA users with LabScribe settings file) (.zip)

Lockedversion (.pdf)