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by michaelborromeo 3540 days ago
MBTI is a very misunderstood system. People tend to take it too far and in directions it shouldn't go. It's not surprising when it's labeled as meaningless.

Here's one example: I'm an ISTP which is only one letter away from ISFP. That's pretty similar right?

No, they're actually pretty different.

The letters ISTP are just a shorthand for a system developed by Carl Jung. ISTP actually means that I have a stack of behaviors that I tend towards and that I've developed as I've aged.

The stack goes as follows: Introverted Thinking which I have (supposedly) developed since I was young. http://personalitygrowth.com/introverted-thinking/

Extraverted Sensing which, again supposedly, I started developing since I was in my teens and through my 20s. http://personalitygrowth.com/extraverted-sensing-se/

Introverted Intuition which I've been developing more recently (30s). http://personalitygrowth.com/introverted-intuition/

And finally Extraverted Feeling which is still moderately awkward for me (like trying to write with my off hand). It's getting less awkward as I get older. http://personalitygrowth.com/extraverted-feeling-fe/

An ISFP, on the other hand, has the following stack: Introverted Feeling, Extraverted Sensing, Introverted Intuition, and Extraverted Thinking.

And other types have their own function stack that they've developed as they've aged. Some faster, some slower. This is one potential reason why people test differently as they age. I first took the test I was in my 20s when I was at a different point in my maturation process. Nowadays I'm much more focused on long term goals as opposed to short term satisfaction. Maybe I'm just developing my Introverted Intuition which is typically associated more with long term thinking. Maybe it's just part of the maturation process everyone goes through.

I will say, though, some people I've observed have gone through the process in reverse -- being interested in long term goals when they're young and then realizing they should also pay attention to short term gratification a little as they age. Maybe they're a type that leads with Introverted Intuition. Who knows.