Severe behavior problems among people with intellectual and developmental disabilities (IDD) are a major barrier to integration in the community. Recent research suggests that these behaviors often begin very early in life and might be prevented by early identification and intervention (Rojahn, Schroeder, & Hoch, 2008). The current article…

This theme issue of the Bernard van Leer Foundation's "Newsletter" is devoted to approaches to working with disadvantaged children up to 3 years of age. An introduction describes the crucial period from before birth to 3 years, noting that although the mother's body provides the an essential part of the environment, other easily…