Recognizable symptoms and features of borderline personality disorder (BPD) appear during adolescence. However, there has been resistance to diagnose or research this disorder prior to adulthood because of clinical lore that BPD is a long-standing illness and that personality traits are not stable until adulthood. This has resulted in little…

The empirical structure of the item set from the Inventory of Interpersonal Problems was examined in the context of the interpersonal circumplex and Big Five factors of personality using results from 1,093 undergraduates. Results support using a theoretically guided empirical analysis rather than blind analysis of empirical methods. (SLD)

Prevalence estimates of psychiatric disorders in 10-year-old rural Norwegian children were based on responses to symptom checklists distributed to parents and teachers. Parents' index showed highest validity and was used as a basis for prevalence estimates. Properties of the index were shown to be sample specific. (Author/AS)