PsiQ
Home Assessments IQ Tests NEW
Solutions
About
Support
Login
Research Instrument
Personality // IPIP-NEO5-20 Open Access

IPIP-NEO5-20 Big Five Inventory

A brief public-domain 56-item measure of the five broad Big Five personality domains, with no facet breakdown.

Estimated Time
~8 mins
Instrument Scale
Standardized Items
Administration
Self-Administered
Scoring Engine
Automated Real-Time

Scale Overview & Construct

A brief public-domain 56-item measure of the five broad Big Five personality domains, with no facet breakdown.

Psychometric Instrument Likert Self-Report Dimensional Breakdown Server-Side Validated

Purpose & Measurement Objectives

The IPIP-NEO5-20 is a brief, domain-only public-domain measure of the Five Factor Model, giving you a single score for each of the five broad personality domains — Agreeableness, Conscientiousness, Extraversion, Neuroticism, and Openness — without breaking each one down into facets the way the full IPIP-NEO or IPIP-NEO-120 do. Taking it gives you the fastest possible honest read of where you sit on each of the Big Five domains, ideal when you want a quick domain-level snapshot rather than a detailed facet profile.

Instrument Specifications

Target Population
Adults
Administration Format
Self-Administered
Intended Domain / Purpose
Research & Empirical Study
Recommended Age Bracket
18+
Duration & Pacing
8 Minutes (Self-Paced)
Access License
Open Creative Commons

Academic Citation & Instrument Provenance

When referencing this instrument in research, academic theses, or clinical institutional audits, please cite the original author publication:

License: Public Domain (International Personality Item Pool, ipip.ori.org). Citation: Goldberg, L. R. (1999). A broad-bandwidth, public-domain, personality inventory measuring the lower-level facets of several five-factor models. In I. Mervielde, I. Deary, F. De Fruyt, & F. Ostendorf (Eds.), Personality Psychology in Europe (Vol. 7, pp. 7-28). Tilburg University Press. This is not a diagnostic tool. Domain 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.

Governance, Boundaries & Ethical Use

Construct Boundaries & Interpretive Limitations

This is a 56-item self-report inventory covering only the 5 broad domains (no facet-level breakdown); domain item counts range from 6 to 20, so some domains are measured more precisely than others. Results reflect how you currently see yourself, not an objective or clinical evaluation of personality.

License: Public Domain (International Personality Item Pool, ipip.ori.org). Citation: Goldberg, L. R. (1999). A broad-bandwidth, public-domain, personality inventory measuring the lower-level facets of several five-factor models. In I. Mervielde, I. Deary, F. De Fruyt, & F. Ostendorf (Eds.), Personality Psychology in Europe (Vol. 7, pp. 7-28). Tilburg University Press. This is not a diagnostic tool. Domain 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.

Free
Open Psychometric Access
OPEN ACCESS
Sign In to Begin Assessment
  • Immediate server-side scoring and dimensional profile
  • Official downloadable diagnostic PDF report
  • Zero ads • Anonymous & encrypted response storage
  • Research Instrument psychometric calibration
Identifier IPIP-NEO5-20
Category Personality
Scale Standard Standardized
License Status CC BY 4.0 Open Scale
PsiQ Psychometric ID #249
IPIP-NEO5-20 Big Five Inventory
Free Open Access
Sign In