Background: The need to develop clinical and empirically-based tools for
assessing personality development in adolescence led to the proposal of the IPOP-A
(Ammaniti, Fontana, Kernberg, Clarkin, & Clarkin, 2011), a semi-structured interview for
adolescents that aims to differentiate personality organization processes from characteristics
that may reflect a personality disorder.
Objective and Methods: This research aimed to evaluate the adaptation of the IPOP-A to the
Portuguese population, attending to its diagnostic properties and its discriminant validity by
comparing a clinical group with a nonclinical one. A total sample of 44 adolescents from 13
to 18 years old has taken part in this study, 22 of whom had a previous personality disorder
diagnosis. The content of the interviews was transcribed and codified according to the
Results: Acceptable internal consistency values across the dimensions of the IPOP-A are
found and statistically significant differences are revealed between the clinical group and
nonclinical group, with the clinical group revealing values that suggest higher impairment in
the dimensions of the personality functioning in comparison with the nonclinical one.
Conclusion: Our study supports that the Portuguese version of the IPOP-A can be
considered a valid instrument to identify adolescents with a personality disorder.