Typology Hub

System

MBTI

The Myers–Briggs Type Indicator describes 16 types. Each type is an ordered stack of four cognitive functions, which is what the four letters stand for.

Katharine Briggs and Isabel Briggs Myers
K. Briggs and I. Briggs Myers
Reel 02 · From four letters to a stack01 / 03

I/E

where energy goes

N/S

how you perceive

T/F

how you decide

J/P

how you live outward

Four letters

The code looks like four independent switches. It is shorthand for something deeper.

Pick a type

INFJ Advocate

Vision-focused guide who translates deep meaning into human-centered direction.

Dominant
Ni
Auxiliary
Fe
Tertiary
Ti
Inferior
Se
Chapters
16

Types

Profiles

Every type with its function stack, summary and development notes.

8

Functions

Dynamics

Eight attitudes describing how information is gathered and judged.