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Professional INTP
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As mentioned on another thread perhaps we should have a thread on the INTP vs the ISTP.
Summary
INTP vs ISTP youtube
The first big difference between the two similar types is Ne auxiliary versus Se auxiliary. I'll compare myself to my brother (ISTP) to illustrate. This is useful as we both were raised similarly and are close, and both took similar paths in life ultimately (engineering, which isn't an accident as I found it with his help)
Having said all this ISTP's and INTP's are quite similar, more so in my opinion then the ENTP's who actually share the same functions as the INTP but in a different order. Spotting the difference between INTP's and ISTP's can be challenging, but with practice it becomes obvious. The main clues are to look at Ne versus Se in the individual.
Summary
INTP vs ISTP youtube
The first big difference between the two similar types is Ne auxiliary versus Se auxiliary. I'll compare myself to my brother (ISTP) to illustrate. This is useful as we both were raised similarly and are close, and both took similar paths in life ultimately (engineering, which isn't an accident as I found it with his help)
- He's sporty (Se) and I'm not (no Se)
- He watches sports games and on TV with his kids, I either get terrifically bored, or shut down from too much stimulus (at the few times I got dragged to a live game).
- He is a life long weight lifter and has big bulky muscles. I'm thin and lithe, and all weight lifting does for me is make me stronger. I do lift now simply to combat aging.
- He wears sporty clothing (baseball cap, etc) which I never do or would frankly
- ISTP's can often have a particular sports as their hallmark. This is true for ESTP's too, I've known many of both at work and many of them are known for being fanatical skiers.
- He (and other ISTP's I know) physically dominants a room, it feels like a giant in my house when he comes over.
- He's owned sports cars over the years, I've owned wrecks (and still do)
- He's tried many sports. I've only done two things for maintenance, running and stationary cycling (with a recent addition of mild weightlifting). Notice these are both solo sports that offer me a chance to think.
- He's much more physical with his things than I am. Whenever I loan something to him it always comes back more worn and dirty. I take meticulous care of my stuff, he uses his (I'd say abuses). This indicates lack of Se on my part, and I think shows some Si which is a focused form of externalization.
- He's much more hooked into what the collective thinks. He's had successful side business that I've struggled with, because he knows what the collective wants (e.g. some simple/dumb iPhone app) while I'm thinking of abstruse ideas (e.g. modeling tools). This is Ne versus Se directly.
- We're both well educated at top universities (post-graduate) I've continued my education via online courses, but he stopped with school. ISTP's I've known have little interest in continuing education, though INTP's can't seem to stop.
- I've always been much more gadgety than him, where he's more focused on gadgets. Let me explain, in conversation I'll usually not talk about whatever cool tech I have, but would rather talk ideas and theories. He knows a lot of theory due to work and education, but he rather loves talking gadgets. Conversely though he doesn't acquire them as I do, seeing them as a practical/non thrifty expenditure. For me a good gadget is a tool that extends my capabilities (this is a trait direct out of PUM for NT's), whereas he's seeing the practical need or not of items. However in conversation it flips as I said, again indicating the Se focus on the real/physical and Ne focus on the unreal.
- With money, I'm more generally thrifty than him. He'll spend (I believe) lots of money on conveniences - food out, services, etc. I'll not spend money that way. But he doesn't spend money on his interests, whereas if I feel the need for a new computer or musical thing I'll buy it. I've seen this with other INTP's, we will tend to be thrifty on everything except for when it really matters which is our core work and interests.
- ISTP's tend to have work they enjoy, INTP's tend to have a calling. INTP's therefore obsess about their life work much more than the practical ISTP's who often buckle down it.
- I've always straddled humanities and sciences (Ne spanning the gamut of knowledge) where he is sometimes almost hostile to art and has little interest in the humanities.
- ISTP's tend to be more sexually aware earlier than INTP's. I didn't start really dating until 19 or 20, and only after getting prodded. To me previously I was highly aware of women, but in the abstract (Ne). Real women didn't enter the picture as I was more in love with the idea of a woman. ISTP's tend to start dating earlier.
- I'll obsess and think through a theory compulsively until I'm satisfied with the answer (and usually not then) where he'll find an initial theory and stick with it. For instance, health. I've worked on this for decades, where he just read the Atkins book (that all his peers were reading) and stuck with it.
- ISTP's will Se will generally be more comfortable with societal norms than INTP's. For example, he is a 'cultural catholic' (whatever that means) where I eschew it entirely. Notice in both cases we have Ti which is an independent, 'my rules only' kind of function, but when modulated through Se or Ne it plays out differently in the world.
- Se is more 'rough and ready' than the tertiary Si of the INTP, but it doesn't gloss over details as INTP's so easily do (due to Ne). ISTP's easily get the details right - though they can be rough with them sometimes - but INTP's will actually be more careful if they develop their Si sufficiently. But with Ne as second in command it will never have as easy a time with details as with ISTP's Se. ISTP's who develop careful habits (many colleagues) can become almost as particular as ISTJ's.
- ISTP's tend to have more narrow interests throughout life compared to the Ne far ranging INTP's. Conversely they tend to have wider physical interests (sports, events, activities, traveling ...). INTP's will tend to have more far ranging hobbies (writing, drawing, art, music, etc ...)
Having said all this ISTP's and INTP's are quite similar, more so in my opinion then the ENTP's who actually share the same functions as the INTP but in a different order. Spotting the difference between INTP's and ISTP's can be challenging, but with practice it becomes obvious. The main clues are to look at Ne versus Se in the individual.