Testosterone, facial and vocal masculinization and low environmentalism in men
2019
Abstract Robust sex differences in environmentalism have been observed, such that males express fewer pro-environmental attitudes than their female counterparts. To date, most explanations of this sex difference have relied upon socio-cultural and psychological explanations. The present study sought to extend this inquiry by examining the role of testosterone (T), its interaction with cortisol (C), as well as androgen-linked phenotypes (facial and vocal masculinization) in relation to environmental attitudes. In a sample of 162 males, results found a TxC interaction such that high T predicted lower environmental attitudes when C was high, but T also predicted higher environmental attitudes at the lowest levels of C. Moreover, facial and vocal masculinization, as putative phenotypic markers of developmental T exposure, correlated negatively with pro-environmental attitudes. Together these findings suggest that both state T and phenotypic masculinization negatively predict environmentalism among men, thus highlighting the potential role of androgens in understanding environmental engagement.
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