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Jung’s Personality Theory and MBTI


An Overview of Jung’s Personality theory and MBTI

The theory of psychological type comes from Swiss psychiatrist Carl G. Jung (1875-1961) who wrote that what appears to be random behavior is actually the result of differences in the way people prefer to use their mental capacities.

Jung Identified two mental functions Perceiving which involves gathering information and Judging which involves organizing information and coming to conclusions. Within those mental functions he noted the existence of different preferences.

iNtuition – Sensing (N – S)

When it comes to Perceiving individuals tend to prefer Sensing which involves gathering of information using the five senses or iNtuition which involves gathering information that is abstract and seeing patterns and possibilities.

Feeling – Thinking ( F – T)

The Two Judging preferences are Feeling, which involves making subjective judgment based on values or Thinking, which involves making objective judgment based on principles.

Introversion – Extraversion  ( I – E )

Jung also noted that individuals tend to direct their energy inwards, making them an Introvert, or they tend to direct their energy outwards, which would make them an  Extrovert.

Judging – Perceiving ( J – P)

Using Jung’s theory Isabel Briggs Myers and her mother Catherine Cook Myers, came up with the Myers-Briggs Test Inventory (MBTI) as a means to detect preferences and define personality type. They added a fourth Letter which reflects how a person prefers to interact with the outside world . If a person appears to be structured and organized on the outside (meaning he is using his judging function in an extraverted way) then he would be a Judging type. Whereas someone who appears unstructured and disorganized on the outside (meaning that he is using his perceptive function in an extraverted way) then he would be a Perceiving type.

The 16 Personality Types

A personality type consists of four letters, based on the described  preferences :

I —— Or —— E
N —— Or —— S
F —— Or —— T
P —— Or —— J

The 16 possible personality types are as follows :


You can take a test to determine your personality type here

For more information about each type visit :
Personality Page
David Keirsey
Cognitive Processes
Type Logic
Best Fit Type


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