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ISTJ type

personality types

Find out how many people share your type, and what your strengths are!

Is the glass half full or half empty? It's half empty now, and it wouldn't surprise me if it dried up completely.

Prayer God, help me to begin relaxing about little details tomorrow at 11:41:32 am.

Animal personality Tortoise

The ISTJ tortoise continually plods along at a monotonous pace, even if they can't take a nap as ISTJs, they have a constant need to work.

Cat personality "Mr. Fastidious"

Won't eat unless the kitchen floor is newly waxed. Will glare at you until you clean his litter box. Likes to scratch; and it's the same place over and over, so you'd better get a scratching post right away if you want to keep your furniture.

Collective noun A precision of ISTJ's

Percentage of total population 6%

All 16 types

Your type is a combination of four preferences. Each preference was made by choosing between 2 letters in a dichotomy. The four dichotomies are:


Defines where you direct your energy. Extroversion indicates outwards towards the world, and Introversion indicates a tendency inwards towards your thoughts and ideas.


Defines how you process information. Do you prefer to process information through your five senses (Sensing) or do you prefer to trust your hunches and read between the lines? (iNtuition)


Defines how you make decisions. Do you prefer logical analysis (Thinking), or contemplating about how each option affects people? (Feeling)


Defines how you order your life. Do you prefer making plans and keeping to schedules (Judging), or do you usually keep things open? (Perceiving)

There are 16 types in total. Now that you know your type, check out your type description by following the appropriate link below!

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Comments (3)


Very accurate. I did a similar test years ago and the results are the same. About the glass. It's half full and who cares!


Just like Colin - everything except the glass. My perspective is that it would be neither half empty nor half full - the water is at the halfway point.


Wow. Nailed me - except for the glass. My perspective on half a glass of water is: it's half a glass of water, where's my scotch?