The test

Two ways to take it.

Both versions measure the same five domains and thirty facets of the Big Five, using public-domain IPIP-NEO items. The in-depth version simply asks more questions per facet, which tightens the confidence band on every score.

Quick · ~8 min

60-item evaluation

Two items per facet. A faster read on your five domains and thirty facets, with wider confidence bands. Great for a first look.

Start the quick test
In-depth · ~15 min

120-item IPIP-NEO

Four items per facet – the full, validated inventory. The most precise scores and the tightest confidence intervals. Recommended if you have the time.

Start the in-depth test
Before you start

Answer honestly and quickly – your first instinct is usually the most accurate. There are no right answers, and nothing is graded. You’ll give consent and (optionally) an age band and sex on the next screen; no name or email is required. See how we score it and our privacy approach.

This is a tool for self-understanding, not a clinical, diagnostic, hiring, or other high-stakes instrument. It does not diagnose any condition. Results describe where you fall relative to a reference sample – they are estimates with error, not verdicts. See our ethics & limits.