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. 2016 Jul;123(4):368–391. doi: 10.1037/a0039996

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© 2016 The Author(s)

This article has been published under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Copyright for this article is retained by the author(s). Author(s) grant(s) the American Psychological Association the exclusive right to publish the article and identify itself as the original publisher.

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Option positions for compromise, similarity and phantom choice conditions. In the compromise and similarity tasks only the two green-circle options and one of the red-triangle options are available. In the similarity task there are four possible decoy positions all of which have the same expected value as the other two options. In the phantom case the decoy option is not available for choice and the phantom option is positioned so as to dominate one of the other options. See the online article for the color version of this figure.