MBTI Personality Types J and P


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Understanding the MBTI ® and Personality Types Type Dynamics: Interpreting the code of MBTI Myers Briggs Personality Types

Understanding J and P of the MBTI Assessment

Another kind of Attitude – the fourth letter of the code of Personality Types: J (for judging) or P (for perceiving). And often misunderstood in viewing J people as “judgmental” and P people as the opposite “non-judgmental.” This article will dive more deeply into these differences.

Myers Created J & P by inference from Jung’s work

Had Myers and Briggs not inferred a second type of Attitude from Jung’s work, there might have only been three letters to their type code. We would have seen INT, INF, ITS, EST, ETN, etc. But Isabel and Katherine’s independent study of people and people differences, with Jung’s typology as an important tool, lead them to create the polar preferences of Judging and Perceiving – which became the fourth letter in their Personality Type Code system. This attitude is a person’s Outer World Orientation and is related to the kind of mental function one turns to the outside world.

In the Myers-Briggs ® Personality Type four letter code, J means that our Judging Function (either Thinking or Feeling) is turned to the outside world and P means that our Perceiving Function (either Sensing or Intuition) is oriented to the outside world.

So for example: ISFJ indicates Judging Function “F” is turned to the outside world; and INTJ indicates Judging Function “T” is turned to the outside world.

Another example: ENFP indicates this type turns their Perceiving Function “N’ to the outside world; and ESTP indicates their Perceiving Function “S” is oriented externally.

ESTP Personality Dynamics
Extraverted Sensing
runs the show

Understanding Extraverted Personality Types

For Extraverted Types, their dominant mental function determines their Outer World Orientation. Personality Types with Extraverted Intuition or Extraverted Sensing have P (for their Perceiving Function) as their last MBTI type code letter. Conversely those with Extraverted Thinking or Feeling have J (for their Judging Function) as their fourth letter.

With Extraverts, what you see is what you get; they extravert their most favored mental process, their Dominant mental function.

In terms of the notion that J folks are judgmental, there are 2 of the 8 J personality types more likely to reflect that trait: ESTJ and ENTJ. Extraverted Thinking, the ordering and organizing of people and things, is the centerpiece of these two personality types. That decision-making decisiveness typical of these two types can be perceived as being judgmental. But be careful about generalizing that understanding to the other 6 J types.

ISTP Personality Dynamics
Introverted Thinking
runs the show

Understanding Introverted Personality Types

For Introverted Types, it is an opposite flow of psychic energy. They direct their most favored mental function inward and therefore more readily show to the outside world their supportive or auxiliary function.

So the four Introverted Types (I_ _ Js) whose dominant preference is a Perceiving function (which is introverted), orient their Auxiliary preference – which is Judging – to the outside world.

Conversely the four Introverted Types (I_ _ Ps) whose dominant preference is a Judging function (which is introverted), orient their Auxiliary preference – which is Perceiving – to the outside world.

  • The 4 “I_ J” Introverted Types are in actuality more strongly governed by their “P” (Perceiving Function) which is inside and often hidden.
  • The 4 “I _P” Introverted Types are more strongly governed by their “J” (Judging Function) inside and often hidden.

So IP people are often “more closed” or judgmental than they might appear and IJ people are often “more open” than they might appear.

And among Js introverted types are more open than extraverted Js. This is illustrated below showing the governing power of Introverts is hidden. If you have experience with INFJ and ENFJ types, you’ll agree that as a rule INFJs are likely to be more cautious in acting out their Feeling in what might be seen as Judgmental than ENFJs.


 

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