title: Rethink "affirmative agreement," but abandon "assent".
authors.affiliation: Dana-Farber Cancer Institute and Children's Hospital, Boston.
authors.forename: Steven
authors.initials: S
authors.lastname: Joffe
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002648:Child; D002657:Child Development; D032882:Comprehension; D003657:Decision Making; D006801:Humans; D007258:Informed Consent / Q000523:psychology*; D016743:Mental Competency; D033281:Nontherapeutic Human Experimentation; D010287:Parent-Child Relations; D033282:Parental Consent