Skip to content

Research, guides & practical self-knowledge

The Personality Library

Published guides

Showing 1–15 of 67 articles

RCOEI personality type

Reserved, calm, organised, self-directed and inquisitive: an RCOEI profile covering its Big Five traits, relationships, work and neighbouring types.

How the Big Five Test Works

A clear introduction to Big Five traits, response scales, scoring, percentiles, and SLOAN type summaries.

RIASEC Realistic Type

Practical, hands-on and drawn to working with tangible systems.

RIASEC Investigative Type

Analytical, curious and drawn to understanding how things work.

RIASEC Artistic Type

Creative, expressive and drawn to originality, interpretation and possibility.

RIASEC Enterprising Type

Persuasive, initiative-driven and drawn to turning intentions into outcomes.

RIASEC Social Type

Helpful, cooperative and drawn to working with, teaching and supporting people.

RIASEC Conventional Type

Organised, systematic and drawn to creating order from information and processes.

Enneagram Type 1: The Reformer

Type 1, commonly known as the Reformer, tends to approach the world through standards, responsibility and an awareness of how things could be improved. Ones often notice the distance between how something currently is and how they believe it ought to be.

Enneagram Type 2: The Helper

Type 2, commonly known as the Helper, tends to approach relationships through attentiveness, contribution and responsiveness to other people's needs. Twos often notice what would make another person feel supported, appreciated or cared for and may become highly skilled at providing it.

Enneagram Type 3: The Achiever

Type 3, commonly known as the Achiever, tends to approach the world through effectiveness, accomplishment and an awareness of how ability becomes visible in the eyes of other people. Threes often want to become someone who can meet the demands of the situation successfully, and they may adapt quickly to the standards of the environment in which they find themselves.

Enneagram Type 4: The Individualist

Type 4, commonly known as the Individualist, tends to approach the world through identity, emotional meaning and a desire to experience life in a way that feels personally authentic. Fours often pay close attention to what distinguishes one person, relationship or experience from another.

67 published guides Browse collections

Curated collections

Browse the published guides by subject rather than date.

6 published collections

Our editorial
approach

We separate established evidence from interpretation, state important limitations and avoid pretending that a score captures the whole person.

Articles are written to make complex ideas useful without stripping away the uncertainty that responsible personality science requires.