Test Bench · five tests, nothing to sign up for

Five tests.
Every score
shows its working.

Most tests on the internet hand you a label and stop. These hand you the number, what it was measured against, and the part of it that was not you. All five run in your browser — nothing you type is sent anywhere.

01 Main draw The Thirty‑Facet Personality Test 120 questions from the public-domain IPIP-NEO scale. Not four letters — five broad traits split into thirty separate facets, each scored on its own, so the report tells you which half of a trait you actually sit on. 120 questions 12 min 30 facet scores answers never leave the page Start

The rest of the bench

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Reading, not testing

Where your rank comes from What a percentile is actually measured against, why the questions are built to trip you, and four things a score like this cannot tell you. Why the wrong answer arrives first The eight traps our own questions are built on, each named, with the experiment that first caught people falling for it. All thirty facets, with the questions Every facet in the personality test, what it measures, and the four questions that score it — including which ones are worded backwards.

What a score here is worth

Two of these measure you. Three measure a moment.

Personality and digit span are stable — take them again next year and the numbers move a little, not a lot. Reaction time, calibration and the ten questions move with sleep, mood, and which device you are on. If one result surprises you, the useful question is which kind it was.

A percentile needs a crowd, and we say whose.

Every ranking on this site names what it compares you against. Where we do not have a crowd yet, we say so and give you the raw number instead of inventing a place in a line. A test that tells you “top 8%” without saying top 8% of whom is telling you nothing.

Nothing you answer is sent anywhere.

All five are scored by JavaScript on the page you are looking at. The personality test is the strict case: 120 answers strung together are a profile, so the page counts how far you got and never what you picked. The privacy page lists exactly what is recorded.

These are not clinical instruments.

The personality questions come from a published public-domain scale, and the reaction and span tasks follow standard designs — but a test you take alone on a phone is not a diagnosis and cannot replace one. If a result worries you, take it to someone qualified rather than to a retake.