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. 2013 Winter;12(4):628–644. doi: 10.1187/cbe.13-05-0096

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© 2013 J. I. Smith et al.CBE—Life Sciences Education © 2013 The American Society for Cell Biology. This article is distributed by The American Society for Cell Biology under license from the author(s). It is available to the public under an Attribution–Noncommercial–Share Alike 3.0 Unported Creative Commons License (http://creativecommons.org/licenses/by-nc-sa/3.0).

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Figure 1. — Hypothesis-driven biology card stimulus set. Columns represent each of the four hypothesized deep features of biology, and rows represent each of the four hypothesized surface features of biology. Each letter represents one of sixteen biology problems that was printed on a card with that letter at the top. Each problem was crafted to contain both a single hypothesized surface feature and a single hypothesized deep feature.