16 Personality Types Test

By Murat Şahin · Updated November 12, 2026 · How we test

How this personality type test works

Press Start the type test and you see one statement at a time, such as "I like to have a plan before I start something." Pick how well it describes you: Disagree, Slightly disagree, Neutral, Slightly agree or Agree. Keys 1 to 5 work too, and Back lets you change an earlier answer. There are 40 statements, and most people finish in about six minutes.

The statements cover four preference pairs, ten statements each. Five of the ten point toward one end of the pair and five toward the other, so agreeing with everything does not push you to one side. If you want a single trait measured on a research-based scale instead of a type, the Big Five personality test on this site is the better choice.

The four letters

The pairs go back to Carl Jung's book Psychological Types (1921), which described people as directing energy outward or inward and preferring different ways of taking in information and making judgments. The fourth pair was added later by Katharine Briggs and Isabel Briggs Myers.

• E or I – energy. Extraversion: you recharge with people and activity. Introversion: you recharge with quiet and time alone. The introvert or extrovert test looks at this pair in more detail.
• S or N – information. Sensing: you trust concrete facts and experience. Intuition: you look for patterns, meanings and possibilities.
• T or F – decisions. Thinking: you lean on logic and consistent rules. Feeling: you lean on values and the effect on people.
• J or P – lifestyle. Judging: you like plans and closure. Perceiving: you like flexibility and keeping options open. In this system "judging" does not mean judgmental.

Four pairs with two options each give 16 possible codes, from ISTJ to ENTJ.

How to read your result

For each pair your ten answers become a raw score from 10 to 50, which we convert to 0–100 with a straight line: (raw − 10) ÷ 40 × 100. The number on each bar shows how far you lean toward the right-hand letter. Above 50 gives you that letter, below 50 gives you the left-hand letter. Exactly 50 shows an X, because you have no preference on that pair; with one X you see the descriptions of both types your answers fit.

Under each bar a short note tells you how strong the lean is. Within 10 points of the middle is called a slight preference, 10 to 24 points moderate, and 25 or more clear. These cut-offs are ours, chosen for readability. This is an original, unnormed questionnaire: the numbers are positions on its own scale, not percentiles, and we do not compare you with other people.

Two people with the same code can differ a lot. A 52 and a 95 both produce the same letter, so look at the bars, not only at the code.

How this differs from the MBTI®

The best-known type questionnaire is the Myers-Briggs Type Indicator (MBTI®), developed by Briggs and Myers from the 1940s and now sold by The Myers-Briggs Company. It is a proprietary instrument, given by certified practitioners, and its questions are not public. This page does not use its items, scoring or type descriptions; we wrote our own statements and descriptions for the same four Jungian pairs.

Type tests are popular, and many people find the vocabulary helpful for talking about differences. Researchers have also raised serious concerns:

• Types or scales? Robert McCrae and Paul Costa (1989) found that scores on the four MBTI scales are not split into two clear groups; most people sit near the middle. They also showed that the four scales overlap with four of the Big Five traits: extraversion, openness, agreeableness and conscientiousness.
• Stability. David Pittenger (2005) reviewed the evidence and warned that a large share of people get a different four-letter type when they retake the test after only a few weeks. A letter flips most easily when a score sits close to the middle of a scale.
• Use in decisions. For the same reasons, Pittenger and others advise against using type codes for hiring or team selection.

Our test shares these limits, and adds one more: it has not been validated at all. It is a structured way to reflect on your preferences, not a measurement.

What you can do with your type

• Read your description and mark what fits and what does not. The parts that do not fit are as informative as the parts that do.
• Look at your weakest preference. A slight lean means you probably use both sides depending on the situation.
• Compare with someone you know. Differences in S–N or J–P often explain everyday friction, such as one person planning and the other improvising.
• If you are interested in motives rather than preferences, try the enneagram test, which sorts people by what drives them.
• If you want to connect your preferences with work, the career test matches your interests with example careers.

Limits of an online questionnaire

Self-reports depend on your mood, your self-image and how you interpret each statement. Taking the test twice a few weeks apart shows which letters are stable for you. The Turkish version is our own wording and has not been validated separately. A type is not a diagnosis and says nothing about ability or mental health.

More tests like this are on the personality tests page.

Sources

• Jung, C. G. (1921). Psychologische Typen. Rascher. English translation: Psychological Types (1923).
• 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.

Frequently asked questions