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. 2018 Nov 1;148(7):1192–1203. doi: 10.1037/xge0000501

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© 2018 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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Stimuli. (A) Two of the 16 stimuli used in the “5/4” experiment are illustrated. The stimuli varied according to four binary perceptual dimensions: color, size, shape and position. (B) Two of the eight stimuli used in the SHJ experiment are illustrated. The stimuli were pictures of insects that varied according to three binary dimensions: mandible shape (highlighted in green), antennae thickness (highlighted in blue), and leg thickness (highlighted in red). For both experiments, the mapping of visual dimension to its role in each category structure (Tables 1 and 2) was randomized for each participant.