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. 2009 Oct 21;4(10):e7543. doi: 10.1371/journal.pone.0007543

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Stanton 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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Time-course of salivary testosterone (in pg/mL) in U.S. Presidential election voters on November 4^th, 2008. In Panels A & C, times depicted correspond to T1 through T4 as described in the paper. Testosterone residual change scores from T1 to T4 in men (Panel B) and women (Panel D) who voted for the winner (Obama) or the losers (McCain or Barr).