Abstract
In this study, we investigate the association between a number of hormonal variables (circulating testosterone, facial masculinity, 2D:4D digit ratio, and cortisol) and competitiveness in a sample of 93 men aged 18–23. Competitiveness is measured by self-selection into a competitive setting versus a piece-rate scheme. We find no robust correlations between any of the hormonal variables and competiveness, though there are some suggestive patterns in the data which merit further exploration. (APA PsycInfo Database Record (c) 2016 APA, all rights reserved)