The 16 types
Different preferences. Shared humanity. Explore the patterns without reducing a person to a label.
16 types to explore
















No matching type
Try a four-letter code, or explore all the groups.
Read the four letters
I / E describes a preference for inner or outer engagement; S / N describes concrete or pattern-focused attention; T / F describes an emphasis on logical or values-based evaluation; J / P describes a preference for structure or flexibility in outer life.
These are preferences, not abilities or fixed limits. The four group names organize this library; they are not a separate test result.
Find a starting point with the free test