Youth Psychopathic Traits Inventory.

YPI

What it measures

Psychopathic traits in youth (ages ~12-20); 10 subscales -> 3 factors: Grandiose-Manipulative, Callous-Unemotional, Impulsive-Irresponsible

Length and format

50 items. 4-pt Likert (self-report questionnaire)

Language versions

Many: SV (origin), EN, PT, ZH, ES, IT, etc.

Normative data

Normative data for this instrument is held in our reference library. The per-population breakdown is not published here.

Licence

copyrighted - author permission

This instrument is not self-serve. Obtaining it means going to the publisher or the author. We hold no direct link for it; the reference below is the citation to search from.

Licence classification is a research judgement by the catalogue’s authors, not legal advice, and it can be out of date. Confirm terms with the copyright holder or publisher before using an instrument, especially for commercial use.

Reference

Andershed, H., Kerr, M., Stattin, H., & Levander, S. (2002). Psychopathic traits in non-referred youths: A new assessment tool. In Blaauw & Sheridan (Eds.), Psychopaths: Current international perspectives.