Why they get confused
Reserved, exacting Te-users who both alphabetize something.
The core difference
ISTJ optimizes within the system (Si precedent); INTJ questions whether the system should exist (Ni projection).
Three quick tells
- 1
The ISTJ cites the manual; the INTJ rewrites it
- 2
Risk: ISTJ minimizes it, INTJ calculates it
- 3
Tradition is data to the ISTJ, friction to the INTJ
Side by side
INTJ
The Strategist
Strategic minds who design futures few others can see.
You see the system behind the surface and build toward a future only you can picture.
Read the INTJ page →
ISTJ
The Archivist
Steady custodians of order, memory, and duty.
You rely on what's proven, remembering precisely and honoring your word.
Read the ISTJ page →