ISTJs get things done in a set order

Of all the types, ISTJ is the most driven to fulfill its role in society.

They're extremely responsible, duty-bound people. When at their best they have an unmatched ability to "just keep going."

They're always determined to keep their promises and will "push through" to get anything done.

People of this type think of themselves as down-to-earth, fair, and wise. They learn best through direct experience, and due to their strengths, never forget a lesson they have learned.

They generally expect everyone to follow "the rules" and, albeit reluctantly, are willing to help enforce them...