This tool uses the IPIP Big-Five Factor Markers (BFFM) — a 50-item, public-domain representation of the Five-Factor Model of personality, developed by Dr. Lewis R. Goldberg and hosted on the International Personality Item Pool (ipip.ori.org).
What is the Big Five?
The Big Five is the most widely accepted model of personality in academic psychology. It describes personality with five broad dimensions:
- Openness (O) — curiosity, imagination, appreciation for art and ideas
- Conscientiousness (C) — self-discipline, organization, goal-directedness
- Extraversion (E) — sociability, assertiveness, energy from social interaction
- Agreeableness (A) — trust, altruism, cooperation, modesty
- Neuroticism (N) — tendency toward anxiety, anger, sadness, emotional reactivity
Test structure
50 short statements, 10 per dimension. Rate each on a 5-point scale from "Strongly Disagree" to "Strongly Agree". Takes about 3–5 minutes.
Source and validity
- Author: Lewis R. Goldberg (Oregon Research Institute)
- First published: 1992 (50-item version refined 1999)
- License: Public domain (free to use, edit, translate)
- Validation: Widely used in academic research; correlates strongly with longer Big Five inventories
How to use your result
Your score on each dimension is given on a 0–100 scale. Higher does not mean better — each dimension has its own strengths. Use the profile as a starting point for self-reflection, team communication, or personal growth. Not suitable for hiring, clinical diagnosis, or other high-stakes decisions.