PUBL-Publisering/prosjektinform
Tracking opportunities and problems from infancy to adulthood: A 20-year longitudinal study of mental health in children and their families
Tracking Opportunities and Problems (henceforth the TOPP study) is a longitudinal study that has followed a community-based sample of nearly 1000 Norwegian children and their families from child age 18 months to age 18 years. Information from questionnaires in 8 waves of data collection, includin...