title: Introduction to the special issue: Direct observation in pediatric psychology research.
authors.affiliation: Center for Health Care Delivery Science, Nemours Children's Health System, Jacksonville Tim.Wysocki@nemours.org.
authors.forename: Tim
authors.initials: T
authors.lastname: Wysocki
mesh_terms: D000067289:Behavior Observation Techniques; D002648:Child; D006801:Humans; D002666:Psychology, Child; D012106:Research
keywords: assessment; intervention outcomes; research design and methods