Scale Overview & Construct
A public-domain 163-item IPIP measure across 16 facets representing the 16 Personality Factors model.
Purpose & Measurement Objectives
Instrument Specifications
Academic Citation & Instrument Provenance
When referencing this instrument in research, academic theses, or clinical institutional audits, please cite the original author publication:
Governance, Boundaries & Ethical Use
This is a 163-item self-report inventory covering 16 facets, 9-10 items each. It is an IPIP public-domain item set constructed to represent 16 Personality Factors constructs — it is not the copyrighted 16PF instrument itself and is not affiliated with or endorsed by its publisher.
License: Public Domain (International Personality Item Pool, ipip.ori.org), representing constructs from the 16 Personality Factors model. Citation: Conn, S. R., & Rieke, M. L. (1994). The 16PF Fifth Edition technical manual. Institute for Personality and Ability Testing. This is not a diagnostic tool and is not affiliated with or endorsed by the publisher of the original 16PF instrument. Facet scores reflect this test's own item pool only — they are not compared against a published clinical or population norm; no such norm has been entered for this instrument.