During the past century, social policies and programs for Nigerian children, youth, and families have undergone frequent shifts in philosophy and direction. Many policy frameworks, such as selective legibility universal prevention, rehabilitation, and punishment, have contributed to the conceptual bases for services, programs, and interventions designed for young people. However, the most consistent characteristic of Nigerian social policy for children and families may be the sheer inconsistency of efforts aimed at helping the nation’s most vulnerable populations. Recent advances in understanding the developmental processes associated with the onset and persistence of childhood and adolescent problems warrant new thinking about policies and programs., we have learned more about why some children and adolescents develop social and health problems, and in the case of such problems as sexually transmitted infections, drug use, and delinquency why some youths make choices that lead to poor outcomes at home and in school and the community. Unfortunately, this knowledge is not yet systematically applied to policy or program design, which results in poorly specified, inadequately integrated, and wastefully duplicated services for children and families. The motivation for this volume comes from the growing recognition that knowledge gained from understanding the developmental trajectories of children who experience social and health problems must be used to craft more effective policies and programs.

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