Despite the great need for assessment of the adaptive and defensive st
yle of adolescents, there are few instruments available to assess thes
e characteristics. We assessed Vaillant's defense hierarchial model in
adolescents, using Bond's self-report questionnaire (DSQ) for adults
adopted for adolescents. In all cases, the factor structure in adolesc
ents differed from adults, which may represent a manifestation of deve
lopment.