title: Of norms and cutoffs.
authors.forename: T M
authors.initials: TM
authors.lastname: Achenbach
mesh_terms: D002648:Child; D002653:Child Behavior Disorders / Q000145:classification / Q000175:diagnosis*; D002675:Child, Preschool; D006801:Humans; D011203:Poverty; D011569:Psychiatric Status Rating Scales / Q000706:statistics & numerical data*; D012016:Reference Values; D015203:Reproducibility of Results