Project on Human Development in Chicago Neighborhoods (PHDCN) Series

The Longitudinal Cohort Study collected three waves of data over a period of seven years from a sample of children, adolescents, young adults, and their primary caregivers. Seven randomly-selected cohorts of respondents were selected to study the changing circumstances of their lives and the personal characteristics that may lead them towards or away from a variety of antisocial behaviors. The age cohorts include birth (0), 3, 6, 9, 12, 15, and 18 years. Data were collected at three points in time: 1994-1997, 1997-1999, and 2000-20001. Numerous measures were administered to respondents to gauge various aspects of human development, including individual differences, as well as family, peer, and school influences

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