MBTI Type Dynamics

Our personality type is made up of four functions:

  • The two Perceving functions (Sensing and iNtuition) and the two Judging functions (Thinking and Feeling). It is the preferred order of these functions and their attitude (Extraverted or Introverted) that makes us so very different.


The dominant function is the first to be developed in our life. Think of it as the driver in a car. It is the function that we rely on and guides us on our journey. It is important to remember that those whose preference is for Extraversion direct their dominant function to the outer world, where as those whose preference is for Introversion direct their dominant function inwardly – what you see in the outer world is their auxiliary or second best function.

Our next most developed function is named the auxiliary function. The auxiliary function brings balance to the dominant function. Think of it as the passenger that provides us with balanced conversation.

The opposite in preference to the auxiliary function is termed the tertiary function. Less developed than both the dominant and auxiliary function, the tertiary function brings with it its own gifts, much like the teenager in the back seat.

Opposite to the dominant function in both preference and in attitude (E or I) is the inferior function. This is the least developed function of all and is often the cause of stress if is called upon frequently. It can be viewed much like the infant in the back seat.


MBTI – Type Table