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Frameworks

Four well-known ways of describing personality and one map that joins them, each with an honest note on how much research stands behind it.

Rivers from different mountains meeting in a broad valley of rice fields at dawn, crossed by small vermilion bridges.

One test, every lens

All five views come from the same five scales. This is how each scale feeds the 16 types and the Big Five.

How the five scales map onto frameworks
Koseiha scale16-type lettersBig Five trait
EnergyE / IExtraversion
PerceptionN / SOpenness
DecisionsT / FAgreeableness
StructureJ / PConscientiousness
ComposureNot part of the codeNeuroticism

Stability and Plasticity, the two axes of the Koseiha Compass, are averages of the Big Five traits. Cognitive functions and families follow from the four letters.