Evidence suggests that there are differences in the capacity for empathy between males and
females. However, how deep do these differences go? Stereotypically, females are …

A large body of evidence indicates that individual differences in baseline concentrations of
testosterone (T) are only weakly correlated with human aggression. Importantly, T …

Researchers have used “sacrificial” trolley-type dilemmas (where harmful actions promote
the greater good) to model competing influences on moral judgment: affective reactions to …

Is it permissible to harm one to save many? Classic moral dilemmas are often defined by the
conflict between a putatively rational response to maximize aggregate welfare (ie, the …

Digit ratio (2D: 4D) denotes the relative length of the second and fourth digits. This ratio is
considered to be a biomarker of the balance between fetal testosterone (T) and estrogen (E) …

Recent research with moral dilemmas supports dual-process model of moral decision
making. This model posits two different paths via which people can endorse utilitarian …

Current perspectives on the evolutionary roots of human morality suggest it arose to
incentivize social cooperation by promoting feelings of disgust toward selfish behavior …

The hypothetical moral dilemma known as the trolley problem has become a methodological
cornerstone in the psychological study of moral reasoning and yet, there remains …

While baseline testosterone has recently been implicated in risk-taking in men, less is
known about the effects of changing levels of testosterone on financial risk. Here we attempt …

Abstract Contribution to Special Issue on Fast effects of steroids. It is well documented that
testosterone concentrations change rapidly within reproductively relevant contexts (eg …