Jealous? Maybe It’s Genetic. Maybe Not.

October 9, 2002 | Source: New York Times

New research indicates that sex differences in studies of jealousy by evolutionary psychologists are spurious, an artifact of the particular method used in those studies.

They suggest that, rather than representing a hard-wired psychological mechanism for promoting reproduction, jealousy could have evolved in each sex for some more general purpose — for example, protecting social bonds in a very social species.