Book: My True Type, page 79 - 85
- Primary roles: To retain, condense, and recollect information; to consult past experiences, routines, and traditions; to perceive inner bodily sensations
- Most prominent in: ISTJs & ISFJs; also prominent in ESTJs & ESFJs
- Associated with: Routines, habits, valuing and preserving “the tried and true,” material conservativism, high regard for traditions and authority
- Famous ISJs: Dick Cheney, Martin Luther, Mother Theresa, George H.W. Bush
Si is more interested in the routine and familiar. It is a careful and conservative function, drawing on existing resources, beliefs, or practices in lieu of exploring or developing new ones.
ISJs take their responsibilities seriously, down to the last detail.
