ISTJ – Logistician (Description + Functions + Examples)

In the early 1900s, Katharine Briggs began research on personality types and the theory behind it. She was inspired by Carl Jung, a psychoanalyst who aimed to identify a number of archetypes within each individual. Briggs, along with her daughter Isabel Briggs Myers, took Jung’s work to a whole new level. In 1962, Briggs Myers published the MBTI Manual, a tool used to identify people as one of 16 personality types. Although the MBTI Manual has been updated in the past 60 years, we still identify people by these personality types today. Ever heard of an ENTP? INTJ? ESFJ-A? These all come from the work of Isabel Briggs Myers and her mother. This video is going to break down one of the personality types: ISTJ. Keep watching to find out what this means, what careers suit an ISTJ, and why ISTJs are given the title of “The Logistician.” 

Description 

When you break down ISTJ, you get introvert, sensing (or observant,) thinking, and judgement. Does this sound like the ISTJs in your life? If you’re new to the Myers-Briggs personality types, don’t worry. I’ll break down each of these letters for you. 

I is for introvert (as opposed to extrovert.) An introvert is more likely to be focused on their internal thoughts and feelings, rather than outside stimulation. Introverts are not necessarily shy, but they do gain more energy from reflecting on their own feelings than by surrounding themselves with other people and external stimulants. 

S is for sensing (as opposed to intuition.) This is also identified as “observant.” Rather than relying on intuition, ISTJs use real-time facts and observations to interpret what is happening around them. They look for the most obvious solutions and use straightforward, logical methods of thinking to help them get there.

T is for thinking (as opposed to feeling.) People who lean toward thinking over feeling draw conclusions from the head rather than the heart. They are more likely to make a logical judgement based on thoughts, perceptions, and analysis instead of where their emotions are leading them. 

Finally, J is for judgement (as opposed to perception.) Judgment and perception are often identified as the “least obvious” of the four letters in your personality type. Think of this as how a person works within structure. People with a J in their personality type prefer structure. They take control of the structure of their day. They make judgements about how tasks are approached and when a job gets done. 

When you put all of these personality traits together, you get someone who relies on logic and hard facts to make decisions. The Logistician is the perfect title for people with ISTJ personality types. But although they often want to be the person who makes decisions, they aren’t always the best person for the job. We’ll get into that later.

Functions of ISTJ

I, S, T, and J tell us how a person takes in the world around them. But there is more to this personality type than just receiving information. Carl Jung also developed the concept of functions that each person plays to help them make decisions with the information they have received. When Isabel Myers and Katharine Briggs came along, these functions were paired with each of the 16 personality types. Each personality type performs four functions: their dominant function, auxiliary function, tertiary function, and inferior function.

The dominant function of ISTJs is Introverted Sensing (Si.) This function causes them to rely significantly on their experiences in both the past and present. They can live in the moment by taking in the information of their surroundings, bringing it into their inner world, and organize it with the internalized information from past experiences.

Next up, we have the auxiliary function: Extroverted Thinking (Te.) ISTJs use their extraverted thinking to help them make decisions based on logic rather than emotion. Productivity is crucial to them, and they act efficiently/practically by focusing on details instead of getting distracted by abstract ideas. 

The tertiary function of ISTJ types is Introverted Feeling (Fi.) This function will often battle with ISTJs more practical and dominant functions. Their judgments come from their internal values, and their decisions are mainly based on logic. However, their Fi causes them to recognize certain instincts that may not match their logical interpretation. 

Finally, the inferior function of ISTJ Types is Extroverted Intuition (Ne.) This function essentially allows ISTJs to have a fond interest in new experiences or opportunities to learn. However, it is very short-lived and leads to some “lightbulb” moments that provide them with great ideas.

Real-Life Examples of ISTJ

Using logic and observation will make you successful in many jobs. Mathematicians rely on logic, detectives rely on logic, and...Robert DeNiro? 

The most famous examples of ISTJs include psychologists and philosophers, but also actors, politicians, and the richest man in the world. Here are some real-life examples of ISTJs:

  • George Washington
  • Condoleeza Rice
  • Jeff Bezos
  • Henry Ford
  • Robert De Niro
  • Julia Roberts
  • Denzel Washington
  • John Malkovich
  • Sigmund Freud
  • Thomas Hobbes
  • Gordon Sumner (Sting)

Strengths and Weaknesses of ISTJ

What does it take to reach the success of Denzel Washington, Thomas Hobbes, or Condoleeza Rice? You need to have discipline, drive, and take your responsibilities seriously. Fortunately,these are all strengths of an ISTJ. While The Logistician is obviously logical, they also are known for these strengths:

  • Perseverance
  • Planning
  • Detail-oriented
  • Loyalty
  • Honesty  
  • Strong will
  • Calm and practicality
  • Ability to create and enforce order
  • Jack-of-all-trades

ISTJs are going to be the person that makes decisions, whether or not they are asked! But the S in ISTJ isn’t always a strength. While logic, observations, and the data in front of you can help to make a decision, that decision isn’t always the best. Intuition, understanding the feelings of others, and pulling in more abstract concepts can add a lot to someone’s decision-making process. 

ISTJs often face setbacks because they are:

  • Stubborn
  • Insensitive
  • Overly Defined by Rules
  • Judgmental
  • Quick To Blame Themselves
  • Resistance to Change

But hey, no one is perfect!

Working and Living with ISTJs

Do you know an ISTJ in your life? Then you can guarantee that they are going to stick by your side. In their personal relationships, ISTJs are very trustworthy and loyal to the people in their lives. You will not have to doubt their commitments or their word. They are very goal-oriented, so if a healthy relationship is one of those goals, they will work hard to maintain it.

When ISTJs are in romantic relationships, they are likely to take their commitment very seriously. Therefore, if they get married, they will consistently honor the vows they’ve made. They focus on their duties in the relationship and put forth an extreme effort to fulfill responsibilities as a partner (this applies to non-romantic relationships too).

Are you an ISTJ looking for a relationship? Your perfect match is an ESFP or ESTP. This person sees the world in a completely different way. You can both learn a lot from each other, and together, The Logistician and The Entrepreneur can build an empire!

Basic Stats About ISTJs

Do you know a lot of ISTJs in your life? Don’t be too surprised! While some personality types only appear in 2% or 3% of the population, ISTJs make up 12% of the general population! That’s around 1 in every 8 people. Most likely, these people will be men. ISTJs make up 16% of men and 7% of women. 

Assertive vs. Turbulent ISTJs

Did you know that each of the 16 personality types are broken up into one of two groups? ISTJs either fit into the category of ISTJ-A or ISTJ-T. Here’s the difference.

ISTJs are very resistant to change; however, assertive logisticians (ISTJ-A) are more flexible when changes present themselves. Interestingly enough, they are also the least impulsive. This can be seen as positive because they are less reactive when their emotions are involved and more likely to have an open mind.

ISTJ-Ts, or “turbulent logisticians” are more likely to have emotional reactions and expressions towards certain situations. They don’t like change and get stressed in the face of uncertainty. Other’s opinions mean more to them, which causes them to struggle with self-confidence when they don’t feel validated.

How to reference this article:

Theodore. (2021, April). ISTJ – Logistician (Description + Functions + Examples). Retrieved from https://practicalpie.com/istj/.

About the author 

Theodore

Theodore created PracticalPsychology while in college and has transformed the educational online space of psychology. His goal is to help people improve their lives by understanding how their brains work. 1,700,000 Youtube subscribers and a growing team of psychologists, the dream continues strong!

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