They reflect the Administration's belief that prevention requires systematic efforts to reduce the opportunities and incentives for responsible behavior. Research shows that many delinquency prevention programs are effective. Other programs show evidence of success, but they have not been evaluated. Some delinquency prevention programs are not effective or require support from multiple systems to be truly effective, and if implemented inappropriately, they can be counterproductive. Prevention involves a continuum of care that starts at the beginning of a child's life and continues through late adolescence. The most dramatic of these prevention programs are early interventions targeting children and their families in the first 5 years of life (Mendel). Research suggests that predatory and psychopathological violence may be more effectively treated by early interventions and that the family-focused interventions are among the most promising to date (Office of Juvenile Justice and Delinquency Prevention, 1995). Since the family is the central unit responsible for the primary socialization of children, efforts should be made to preserve the integrity of the family and extended family, including adequate day care facilities. Families should be provided with necessary assistance in resolving conditions of instability or conflict. When a settled family environment is lacking and efforts of the community and extended family to assist parents have failed, foster care and adoption should be considered. Such placements should replicate, to the extent possible, a stable family environment and avoid the problem of "foster drift". Special attention should be given to children affected by rapid and uneven economic, social and cultural change; in particular the children of migrant and refugee families, and innovation and socially constructive modalities for the socialization of children should be designed.