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Psychol Sci. 2008 Feb;19(2):121-7. doi: 10.1111/j.1467-9280.2008.02057.x.

Precision of the anchor influences the amount of adjustment.

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Warrington College of Business Administration, University of Florida, Gainesville, FL 32611-1755, USA.


The anchoring-and-adjustment heuristic has been used to account for a wide variety of numerical judgments. Five studies show that adjustment away from a numerical anchor is smaller if the anchor is precise than if it is rounded. Evidence suggests that precise anchors, compared with rounded anchors, are represented on a subjective scale with a finer resolution. If adjustment consists of a series of iterative mental movements along a subjective scale, then an adjustment from a precise anchor should result in a smaller overall correction than an adjustment from a rounded anchor.

[Indexed for MEDLINE]

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