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MBTI (Myers-Briggs Type Indicator)

🧠 Psychology By CampusDown Wiki Editorial Team Last updated
The MBTI is a self-report inventory that sorts preferences on four dichotomies into 16 personality types, based on Jung’s typology. It was developed by Katharine Cook Briggs and Isabel Briggs Myers.
Contents
  1. 1. What is the MBTI?
  2. 2. Four preferences
  3. 3. Official MBTI versus online tests
  4. 4. Criticisms
  5. 5. Frequently asked questions
  6. 6. References

What is the MBTI?

The Myers-Briggs Type Indicator is a self-report questionnaire based on Carl Jung’s Psychological Types (1921) that classifies preferences on four dimensions into 16 types. Katharine Cook Briggs and her daughter Isabel Briggs Myers developed it in the 1940s; it is widely used in career and organizational settings.

📌 At a glance
Theory
Jung’s typology
Structure
4 dichotomies → 16 types
Format
Self-report
Compare
Big Five

Four preferences

DimensionPolePole
EnergyE ExtraversionI Introversion
PerceptionS SensingN Intuition
JudgmentT ThinkingF Feeling
LifestyleJ JudgingP Perceiving

The MBTI measures preferences, not ability, and claims no type is better than another.

Official MBTI versus online tests

Many free online tests popular in Korea and Japan are 16Personalities, a separate instrument blending Big Five traits and adding -A/-T suffixes. The official MBTI assumes interpretation by a qualified practitioner.

"I’m a T, that’s why" is not what the MBTI was built for. It was meant as a starting point for self-understanding, not a box or an excuse.

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Criticisms

  1. Reliability: many people receive a different type on retest after weeks (Pittenger, 2005).
  2. Dichotomizing: most scores cluster near the middle, so tiny differences flip types.
  3. Validity: weak prediction of job performance; not recommended for selection. See reliability and validity.
  4. Big Five: McCrae and Costa (1989) mapped the four scales onto extraversion, openness, agreeableness and conscientiousness; neuroticism is missing.

Frequently asked questions

Is the MBTI scientific?
It rests on Jung’s theory but faces substantial reliability and validity criticism; research prefers the Big Five.
Is 16Personalities the MBTI?
No, it is a different test with similar labels.
Should employers use it for hiring?
Even its publisher advises against selection use.

References

  1. Jung, C. G. (1921). Psychologische Typen. Zürich: Rascher.
  2. Myers, I. B., & Myers, P. B. (1980). Gifts differing: Understanding personality type. Palo Alto, CA: Consulting Psychologists Press.
  3. Pittenger, D. J. (2005). Cautionary comments regarding the Myers-Briggs Type Indicator. Consulting Psychology Journal: Practice and Research, 57(3), 210–221.
  4. McCrae, R. R., & Costa, P. T. (1989). Reinterpreting the Myers-Briggs Type Indicator from the perspective of the five-factor model of personality. Journal of Personality, 57(1), 17–40.

Reports and materials that use this theory (Korean)

There are no materials dedicated to this theory yet, but you can search related reports in the CampusDown library (Korean).

Find more reports · Search 'MBTI' on CampusDown →
Big Five personality traitsWhat are the Big Five personality traits? The lexical hypothesis behind the model, openness, conscientiousness, extraversion, agreeableness and neuroticism (OCEAN), research by Goldberg (1990) and McCrae and Costa (1987), how it differs from the MBTI, and how to read test results.🧠 PsychologyPersonality TheoriesAn overview of personality theories: Freud's psychoanalysis, trait approaches from Allport and Eysenck to the Big Five, humanistic theories of Rogers and Maslow, and Bandura's social-cognitive view, with comparisons and critiques.🧠 PsychologyEysenck's Theory of PersonalityEysenck's personality theory explained: the PEN model of extraversion, neuroticism and psychoticism derived by factor analysis, its hierarchical structure, biological basis in cortical arousal and the limbic system, the EPQ, and comparison with the Big Five.🧠 PsychologyReliability and Validity of MeasurementReliability and validity of measurement: test-retest, split-half, internal consistency (Cronbach's alpha) and inter-rater reliability; content, criterion and construct validity; why reliability is necessary but not sufficient for validity.👥 SociologyFreud's Psychoanalytic TheoryFreud's psychoanalytic theory explained: definition, the conscious, preconscious and unconscious, the id, ego and superego, psychosexual stages from oral to genital, defense mechanisms, criticisms such as falsifiability, report examples and references.🧠 Psychology

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This article was last updated on October 23, 2026. It is based on widely recognized original works and textbooks; when citing it in a paper, please check the original sources listed in the references.