A look at gender differences employs candid interviews with ordinary men and women to offer a new understanding of aggression, asking why men are more aggressive than women.

Anne Campbell is senior lecturer in the Department of Psychology at the University of Durham, England, and is the author of The Girls in the Gang (1984) and Girl Delinquents (1981). Formerly an associate professor in the School of Criminal Justice at Rutgers University, she has spent nearly twenty years investigating aggression and violent behavior.