Multitrait-multimethod analyses of change of internalizing and externalizing problems in adolescence: Predicting internalizing and externalizing DSM disorders in adulthood.

Ratings by different informants such as parents, teachers, and youths are important to accurately assess adolescent problem behavior. Agreement among informant ratings on adolescent problem behavior, however, is typically only low to moderate. Rather than dismiss these low levels of agreement between informants' ratings as being unreliable, low agreement is considered to reflect each informant's unique view on problem behavior. The overall aim...