Despite the widely held belief that men are more narcissistic than women, there has been no
systematic review to establish the magnitude, variability across measures and settings, and …

The aims of this article are:(i) to provide a quantitative overview of sex differences in human
psychological attributes; and (ii) to consider evidence for their possible evolutionary origins …

Background We are witnessing renewed debates regarding definitions and boundaries of
human gender/sex, where lines of genetics, gonadal hormones, and secondary sex …

The behavior of women and men varies greatly depending on situations, cultures, and
historical periods. This flexibility emerges as men and women tailor their division of labor to …

Psychological and socio-psychological factors are now more commonly discussed as
possible explanations for gender differences in labor market outcomes. We first describe the …

Humans and other animals express power through open, expansive postures, and they
express powerlessness through closed, contractive postures. But can these postures …

Men are overrepresented in socially problematic behaviors, such as aggression and
criminal behavior, which have been linked to impulsivity. Our review of impulsivity is …

Testosterone is often considered a critical regulator of aggressive behaviour. There is
castration/replacement evidence that testosterone indeed drives aggression in some …

Adolescence refers to the period of physical and psychological development between
childhood and adulthood. The beginning of adolescence is loosely anchored to the onset of …

What causes sex differences and similarities in behavior? At the core of our account are
societal stereotypes about gender. These stereotypes, or gender role beliefs, form as people …