sociotropy define
Sociotropy is a personality trait characterized by excessive investment in interpersonal relationships and usually studied in the field of social psychology. People with sociotropy tend to have a strong need for social acceptance, which causes them to be overly nurturant towards people who they do not have close relationships with.
Sociobiology is a field of scientific study that is based on the hypothesis that social behavior has resulted from evolution and attempts to examine and explain social behavior within that context.