Myers-Briggs Type Indicator (MBTI)
The MBTI is a personality framework that sorts people into 16 types built from four dichotomies: Introversion/Extraversion (I/E), Sensing/Intuition (S/N), Thinking/Feeling (T/F), and Judging/Perceiving (J/P). It was created by Katharine Cook Briggs and her daughter Isabel Briggs Myers in the mid-20th century, drawing loosely on Carl Jung's theory of psychological types. Our free course tours all 16 types and the Jungian cognitive functions beneath them, then closes with an honest look at why psychologists question the test's reliability — so you can use your type as a mirror, not a verdict.
Extremely popular but scientifically criticised: it shows low test-retest reliability and its four discrete dichotomies are not supported by trait research, which finds personality varies continuously rather than in categories. (Katharine Cook Briggs and Isabel Briggs Myers, developed from the 1940s onward, based on Carl Jung's typology)
Groups
- INTJ — The Architect — Introverted, intuitive, thinking, and judging individuals often described as strategic, independent, and driven by long-range plans and systems.
- INTP — The Logician — Introverted, intuitive, thinking, and perceiving individuals often described as analytical, curious, and motivated to understand underlying principles and ideas.
- ENTJ — The Commander — Extraverted, intuitive, thinking, and judging individuals often described as decisive, organised, and inclined to take charge and pursue goals efficiently.
- ENTP — The Debater — Extraverted, intuitive, thinking, and perceiving individuals often described as inventive, quick-witted, and energised by exploring possibilities and challenging ideas.
- INFJ — The Advocate — Introverted, intuitive, feeling, and judging individuals often described as insightful, idealistic, and guided by a sense of purpose and concern for others.
- INFP — The Mediator — Introverted, intuitive, feeling, and perceiving individuals often described as imaginative, value-driven, and attentive to authenticity and personal meaning.
- ENFJ — The Protagonist — Extraverted, intuitive, feeling, and judging individuals often described as warm, persuasive, and motivated to support and inspire those around them.
- ENFP — The Campaigner — Extraverted, intuitive, feeling, and perceiving individuals often described as enthusiastic, creative, and drawn to new ideas and connections with people.
- ISTJ — The Logistician — Introverted, sensing, thinking, and judging individuals often described as practical, dependable, and committed to order, accuracy, and established procedures.
- ISFJ — The Defender — Introverted, sensing, feeling, and judging individuals often described as conscientious, supportive, and attentive to the practical needs of others.
- ESTJ — The Executive — Extraverted, sensing, thinking, and judging individuals often described as organised, assertive, and focused on structure, rules, and getting things done.
- ESFJ — The Consul — Extraverted, sensing, feeling, and judging individuals often described as sociable, caring, and attentive to harmony and the wellbeing of their community.
- ISTP — The Virtuoso — Introverted, sensing, thinking, and perceiving individuals often described as practical, observant, and skilled at hands-on problem-solving and improvisation.
- ISFP — The Adventurer — Introverted, sensing, feeling, and perceiving individuals often described as gentle, spontaneous, and expressive through aesthetics and personal experience.
- ESTP — The Entrepreneur — Extraverted, sensing, thinking, and perceiving individuals often described as energetic, pragmatic, and comfortable acting quickly in the moment.
- ESFP — The Entertainer — Extraverted, sensing, feeling, and perceiving individuals often described as outgoing, lively, and drawn to people, experiences, and the present moment.
References
- Myers, I. B., McCaulley, M. H., Quenk, N. L., & Hammer, A. L. (1998). MBTI Manual: A Guide to the Development and Use of the Myers-Briggs Type Indicator. Consulting Psychologists Press (3rd ed.)
- 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
- Pittenger, D. J. (1993). The utility of the Myers-Briggs Type Indicator. Review of Educational Research, 63(4), 467–488
- Pittenger, D. J. (2005). Cautionary comments regarding the Myers-Briggs Type Indicator. Consulting Psychology Journal: Practice and Research, 57(3), 210–221
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