answers.input_text: short
answers.span_text: Introverted Sensing ( Si ) , Extroverted Thinking ( Te ) , Introverted Feeling ( Fi ) and Extroverted Intuition ( Ne )
questions: what does istj mean in a personality test
name: ISTJ
contexts: ISTJ ( By functions ; Introverted Sensing ( Si ) , Extroverted Thinking ( Te ) , Introverted Feeling ( Fi ) and Extroverted Intuition ( Ne ) ) is an abbreviation used in the publications of the Myers -- Briggs Type Indicator ( MBTI ) to refer to one of sixteen personality types . The MBTI assessment was developed from the work of prominent psychiatrist Carl G. Jung in his book Psychological Types . Jung proposed a psychological typology based on the theories of cognitive functions that he developed through his clinical observations .