This document summarizes research on sex differences in various nonverbal behaviors. The main points are:
1) Females smile more than males, especially in social settings and when being observed. This sex difference emerges in childhood and persists into adulthood.
2) Females gaze more than males, especially in friendly situations. However, gazing can also convey status and its meaning depends on cultural context.
3) Females are generally better than males at interpreting nonverbal cues like facial expressions and decoding emotions, though males may be better at detecting deception.
4) The sex difference in touch depends on factors like whether the interaction is same-sex or cross-sex, the age of participants