title: Post Hoc, Ergo Propter Hoc.
authors.affiliation: From the Department of Psychiatry and Behavioral Sciences and the Center for Developmental Epidemiology, Duke University, Durham, N.C.
authors.forename: E Jane
authors.initials: EJ
authors.lastname: Costello
keywords: Child Maltreatment; Cognition; Epidemiology; IQ