According to the book Gifts differing: Understanding Personality Types (Isabel Briggs Mayers with Peter B Myers, Davies-Black Publishing, Mountain View, California 1995).p. 13
"With Introverts, the reverse is true. The dominant process is habitually and stubbornly introverted; when their attention must turn to the outer world, they tend to use the auxiliary process. "
This makes me wonder
How can I identify the auxiliary function of introverts because I would assume it "looks" different than the same function as a dominant function of an extroverted person (example: ESTJ dominant Te and ISTJ auxiliary Te.) If the auxiliary function is shown to the outer world, how does it look like?
How does the auxiliary function of an introverted person "look" like?
On the other hand, how does the auxiliary function of an extroverted person "look" like?