M Kandrik, AC Hahn, J Wincenciak, C Fisher, K Pisanski, DR Feinberg, LM DeBruine & BC Jones (2016). Are Menís Perceptions of Sexually Dimorphic Vocal Characteristics Related to Their Testosterone Levels? PLoS One, 11(11): . doi: 10.1371/journal.pone.0166855

Feminine physical characteristics in women are positively correlated with markers of their mate quality. Previous research on menís judgments of womenís facial attractiveness suggests that men show stronger preferences for feminine characteristics in womenís faces when their own testosterone levels are relatively high. Such results could reflect stronger preferences for high quality mates when mating motivation is strong and/or following success in male-male competition. Given these findings, the current study investigated whether a similar effect of testosterone occurs for menís preferences for feminine characteristics in womenís voices. Menís preferences for feminized versus masculinized versions of womenís and menís voices were assessed in five weekly test sessions and saliva samples were collected in each test session. Analyses showed no relationship between menís voice preferences and their testosterone levels. Menís tendency to perceive masculinized menís and womenís voices as more dominant was also unrelated to their testosterone levels. Together, the results of the current study suggest that testosterone-linked changes in responses to sexually dimorphic characteristics previously reported for men's perceptions of faces do not occur for men's perceptions of voices.

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