| Summary: | The Project on Human Development in Chicago Neighborhoods (PHDCN) was a large-scale, interdisciplinary study of how families, schools, and neighborhoods affect child and adolescent development. One component of the PHDCN was the Longitudinal Cohort Study, which was a series of coordinated longitudinal studies that followed over 6,000 randomly selected children, adolescents, and young adults, and their primary caregivers over time to examine the changing circumstances of their lives, as well as the personal characteristics, that might lead them toward or away from a variety of antisocial behaviors. Numerous measures were administered to respondents to gauge various aspects of human development, including individual differences, as well as family, peer, and school influences. One such measure was the Generalized Anxiety Disorder (Subject and Young Adult) instrument. This version of the Generalized Anxiety Disorder instrument was administered to subjects for Cohorts 6, 9, 12, and 15. The instrument was adapted from the Anxiety module of the Diagnostic Interview Schedule for Children (DISC 4) and obtained information regarding subjects' worrying and anxiety. It is similar to PROJECT ON HUMAN DEVELOPMENT IN CHICAGO NEIGHBORHOODS (PHDCN): GENERALIZED ANXIETY DISORDER (SUBJECT), WAVE 2, 1997-2000 (ICPSR 13625) and related to PROJECT ON HUMAN DEVELOPMENT IN CHICAGO NEIGHBORHOODS (PHDCN): GENERALIZED ANXIETY DISORDER (PRIMARY CAREGIVER REPORT ON SUBJECT), WAVE 3, 2000-2002 (ICPSR 13706) and PROJECT ON HUMAN DEVELOPMENT IN CHICAGO NEIGHBORHOODS (PHDCN): GENERALIZED ANXIETY DISORDER (PRIMARY CAREGIVER AND YOUNG ADULT REPORT ON SELF), WAVE 3, 2000-2002 (ICPSR 13707). It asked a very similar set of questions as that in 13706 and a slightly different, but similarly themed, set of questions as that in 13707.
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