
ISTJ
The Polite Logician
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Quiet , thoughtful and contentious
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Practical, responsible and polite
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Private people , slow to open up to others
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Need time alone to pursue their interests
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Realistic, practical
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Trust those things they have personally experienced
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Likes to gather realistic info about new experiences
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Values tradition and loyalty
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Have great concentration
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Likes to share important facts about their interests
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Have excellent memories for details
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Take good care of their possessions
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Makes logical decisions
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Dislikes surprises and change
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Like order and structure
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Follow rules strictly
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Honest & direct – they prefer to manage situations with plain & simple honesty.
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Strong-willed & dutiful – they work hard & stay focused on their goals. Patient & determined, they often meet their goals
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Very responsible – they keep promises, and they fulfill their duties to the people & organizations they’ve committed themselves to.
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Calm & practical – they are down-to-earth & make clear, rational decisions.
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Create & enforce order – they like structure & rules.
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Stubborn – facts are facts , and they don’t accept that they were wrong about something.
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Insensitive –because they are too honest, they may unintentionally hurt other's feelings.
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Always by the book – they are reluctant to bend the rules or try new things.
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Judgemental – ISTJs are unlikely to respect people who disagree with facts or those who are ignorant of them.
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Often unreasonably blame themselves – they believe they must be responsible for their own failure.
At their best
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Become the pillars of their communities and their families
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Consistent, fair and reasonable
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Very reliable people
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Patient and careful with all the details of their lives
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Grow up to be successful, hard-working and valued members of their communities
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Dependable and earnest traditional family people
ISTJs as Children and Students
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Serious children, will not smile at strangers
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Have a quiet intensity
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May become upset when picked up by someone they don’t know well
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Typically have one best friend and almost prefer playing one-on-one
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Very tuned in to their body’s need for food and sleep
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Quite picky with smells, tastes and textures ( 5 senses )
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Literal and realistic
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Straightforward, direct and matter of fact
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Ask very specific questions and always want specific answers
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Like adults to be clear in their expectations and precise in whatever they say
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Like familiar activities
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Love to learn facts and then share them with their family or close friends
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Rarely cry a lot as small children
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Tend to be very polite and respectful little children
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Like to know the rules of a game and want everyone to play by the rules
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Like to maintain schedules
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Safety conscious , and don’t like other people acting irresponsibly around them
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Not big risk takers
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As long as they are comfortable in their environment, they work and move at their own pace, content to play alone for a long time
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Like the order and rules of a school as well as the predictable routine
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Enjoy working alone or with a partner
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Concerned about their grades
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Prefer teachers who are organised, efficient and clear in their expectations
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Cannot concentrate in a chaotic environment
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Have a strong need to belong
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Like to maintain a close relationship with their parents and a small circle of friends for many years
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Selective, evident in their interests, choice of books and areas of study
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Prefer to study something serious and typically focus on one subject or activity at a time
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Love to demonstrate their knowledge and competence to other children and really enjoy impressing adults they know well
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Like doing research and solving problems

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Their independence , privacy and personal space must be respected
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Require plenty of time to think things through before acting
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Communicate better in writing
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Very well organized, efficient and careful
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May be a bit more willing to participate in group activities than they were in their younger years
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Wan to belong, may push themselves out into the external world to comply with the norms of their group
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Like spending lots of time alone
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Maintain high standard of behaviour for themselves, and are disapproving of irresponsible or dangerous behaviour
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May seem more mature than their peers
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See things in black or white
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Usually fairly conservative with their money, like to save and buy things with lasting quality
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Logically seek more freedom or additional privileges
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Still remain sceptical of new ideas
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Make firm decisions without much observation, may even be angry when someone challenges their choices by offering a new option or suggest they gather more info
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Support and gently remind them how they succeeded with new experiences in the past
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Appreciate their careful and cautious ways
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Have their perceptions confirmed and accept their sense of fairness and logic

