In a review written in 1979, I noted that there was a paucity of research examining the effects of maternal employment on the infant and young child and also that longitudinal studies of the effects of maternal em- ployment were needed (Hoffman, 1979). In the last 10 years, there has been a flurry of research activity focused on the mother's employment during the child's early years, and much of this work has been longi- tudinal. All of the studies...