The lenses · The four temperaments
The oldest personality system on this list — and, surprise: the only one with a modern translation made by an actual scientist.
The four humours of Greek medicine turned into four characters: sanguine (sociable and light), choleric (energetic and reactive), melancholic (deep and sensitive) and phlegmatic (calm and constant).
The honest version: the original theory (bodily fluids) is false from top to bottom. But Eysenck did something elegant: he showed the four fit almost exactly onto two dimensions that ARE measurable — social energy and emotional stability. Sanguine = sociable and stable; choleric = sociable and reactive; melancholic = reserved and sensitive; phlegmatic = reserved and stable. It is the only lens in this collection that is literally a projection of measurable traits.
Straight from Eysenck's mapping onto your two corresponding traits. That's why it carries our highest seal: a real historical translation.
USE IT FOR
For a quick first picture, and for connecting with two thousand years of language about character.
DON’T USE IT FOR
For the detail: four boxes throw away three entire traits of your profile.
Want your reading in this lens?
We measure your five traits once, with a real instrument, and give you your reading in every lens — each one carrying the honest seal of how much science is behind it. Free, no sign-up.