Relative Visual Saliency Differences Induce Sizable Bias in Consumer Choice

SSRN Electronic Journal 2012 6 cites
2012:02013:02014:02015:02016:02017:12018:12019:12020:12021:12022:12023:0
2012 2023
6

Milica Mormann, Vidhya Navalpakkam, Christof Koch, Antonio Rangel

Abstract

Consumers often need to make very rapid choices among multiple brands (e.g., at a supermarket shelf) that differ both in their reward value (e.g., taste) and in their visual properties (e.g., color and brightness of the packaging). Since the visual properties of stimuli are known to influence visual attention, and attention is known to influence choices, this gives rise to a potential visual saliency bias in choices. We utilize experimental design from visual neuroscience in three real food choice experiments to measure the size of the visual saliency bias and how it changes with decision speed and cognitive load. Our results show that at rapid decision speeds visual saliency influences choices more than preferences do, that the bias increases with cognitive load, and that it is particularly strong when individuals do not have strong preferences among the options.

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