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. 2012 Apr 11;7(4):e32751. doi: 10.1371/journal.pone.0032751

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Fessler et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Panel A: In Study 1, participants rated the height and size of men holding a .45 caliber handgun, a drill, a small handsaw, and a caulking gun. Panel B: In Study 3, participants rated the height, size, and muscularity of men holding a .357 caliber handgun, a drill, a large handsaw, and a caulking gun. Panel C: In Study 5, participants rated the height, size, and muscularity of men holding a kitchen knife, a paintbrush, and a toy squirt gun. In Study 2, participants rated the potential lethality of the objects shown in Panels A and B. In Study 4, participants rated the potential lethality of the objects shown in Panel C, as well as identifying the age (adult vs. child) and gender of the persons most associated with using each object. Photographs, presented to participants in color, were resized so that the objective dimensions of each hand displayed on the participant's computer screen remained constant across all images.