AI · Big Data · Statistical Modeling · Fast Assessment · Sharper Self-Insight
A research-backed Big Five profile in 3 minutes
Calibrated with 1,015,342 public responses and built on forced-choice modeling from psychometric research. Pick what is most and least like you; the test adapts as you answer.
1,015,342 responses Million-scale calibration
Only 20 questions 20-question flow
AI adaptive Adapts as you answer
GitHub billzi2016 / source 1 / 20
0%
Confidence: 10%
Pick one most-like-me and one least-like-me. Answer by your real situation.
Result
Scores are not good or bad. They show how strongly each pattern appears in your answers.
Disclaimer: Results are for self-understanding and research demonstration only, not clinical diagnosis, medical screening, or employment decisions. Item bank & multi-language UI are translated with Gemini AI.