MBTI IQ Mean + Distribution

MBTI IQ Mean + Distribution

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This is a discussion on MBTI IQ Mean + Distribution within the Myers Briggs Forum forums, part of the Personality Type Forums category; Today I was wondering how smart I was compared to other INTJs. I had already taken an IQ test a ...

  1. #1

    MBTI IQ Mean + Distribution

    Today I was wondering how smart I was compared to other INTJs. I had already taken an IQ test a little while back, so I thought I would just google average INTJ IQ. I tried entering a variety of queries, and it seems that this information does not exist.

    You CAN find lots of information about frequency of high IQ but, the frequency of high IQ does not actually tell you what the mean IQ for the different types is, or the standard deviation.

    INTPs are the smartest according to a chart I found with 3.52% being geniuses, as opposed to 2% in the general population.

    Note that this makes the relative frequency of INTP geniuses equal to 1.77. Some mathematically ignorant people online seem to think this means that there are more INTP geniuses than non-geniuses, so that INTPs have something like a 63.9% chance of being geniuses, which is absurd. There is a lot of ignorant blogs which you have to disregard.

    I did some quick math with Gauss functions, and calculated that if the distribution is the same, the average INTP IQ only has to be 105 (assuming 100 average and 15 standard deviation) in order to get the ratio of geniuses given here. That would be a rather trivial advantage. A small change in mean can make a big difference in relative number at the fringes.

    Doing the same math for the ESFJ, which has the smallest percentage of geniuses, produces an average IQ of 77. That is not so trivial.

    It doesn't seem right that the dumbest personality type has borderline mental functioning and the smartest has barely above average IQ. It would take more rigorous calculations that I can't be bothered with to prove it, but this seems to put the average at less than 100. Upon thinking this over a little bit, I suspect this may indicate that different personality types have tighter distributions than the general population. If a subgroup has a smaller standard deviation than the population as a whole, then their representation in the fringes would be less than it would be with a broader distribution. So, if you assume that personality types have smaller standard deviations than the general population, then both the average ESFJ and the average INTP would be smarter than my calculations assuming the same standard deviations would indicate.

    So the population may be 16 overlapping bell curves with relatively tight groupings, but different means, which appears to be one big broad bell curve for the whole population.


    BTW, my opinion on IQ is that is measures analytical intelligence, which is not the only thing that your brain does. For instance, a skilled musician or sportsman is obviously using his brain to do the complicated things that he does, but these skills do not translate to the IQ test. I would be inclined to think that total brain functionality is broader than measured IQ and probably doesn't change a great deal between the different personality types, or else you'd expect measurable differences in brain weight, size, & shape of people with different personalities, which so far as I know, is not the case.



  2. #2

    Congratulations.
    What's your recommended source when it comes to an IQ test? I'd like to try it out for myself.

  3. #3
    INTP

    And who cares about what the average IQs are for different types? Whatever type you identify with, whether you've typed yourself correctly or incorrectly according to others, it says nothing about your capabilities. MBTI asks you about your preferences. If it happens that more than average people with the same preferences than you are exceptionally intelligent, it has nothing to do with you. You may or not be exceptionally intelligent, who knows. These are correlations, not causalities.

    This is somewhat of a pet peeve of mine. People are treating these "what's the type more likely to be gifted in XYZ" questions as if there's going to be proof of their being supremely XYZ. What do I care if INTPs are, compared to the average of other types, masters of computer programming? It doesn't make me any more gifted.
    Last edited by Janna; 08-24-2019 at 10:40 AM.
    Alice Alipheese and brightflashes thanked this post.

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  5. #4

    Well, who cares what the average traits are for different types? D'you think those are determined in any different way than the IQ? Statistics is statistics is statistics. You throw a bunch of traits at a bunch of people, and then you group them and get distributions. Everything about types is correlation. That's the entire premise. Which is why the thing is circular -- you take the traits, call a group with a certain set a "type", and then go back out and declare the "type" has this or that set of traits.

    Not that I disagree on the specific issue, mind. Like OP said, just because statistically some types have a higher rate of geniuses doesn't mean by far most people of any type aren't shockingly average. It's just not limited to IQ. It goes for any singular trait you try to predict @Janna .


    @ OP, I'm not entirely sure your attempt works. By definition, IQ is a bell curve such that 100 is mean (and mode). If you had a sub-group that is more intelligent, I'd argue you would skew the bell curve, rather than shift it. You don't have as many dumb INTPs as smart INTP, it's (very slightly) tilted in favour of the latter, relative to the bell curve of the entire population, but 100 still remains the mode -- just the mean shifts.

    But what that means is that by definition, most people of any type will have an IQ of 100, just as you would expect. Whether the mean is relevant ... I guess you could claim that "on average" X-Type's "IQ is higher", but as people aren't averages, I'd think practical applications are limited.
    brightflashes thanked this post.

  6. #5

    God these types of thread are cringy af

    Sent from my CPH1725 using Tapatalk
    brightflashes and Suntide thanked this post.

  7. #6

    These IQ+type ''researches'' seem shallow as hell to me.

    For starters they're obviously created by INxx types. I mean, do you honestly think an ESFP would dive in to this topic and say ''Yep, we're bottom 4 dumbest type...''.

    Second, they just go by assumptions. The smart functions are intuition and thinking so anyone who has that is automatically top 4 and then the rest writes itself.

    And finally what does it even calculate? Like Math problem solving skills? Linguistics and vocabulary? Or just flat out success in life? Seems to me like the latter should be heavily weighed in, but I doubt it is. Because if that were the case, ESxJs would be at the top seeing as those two types tend to be the most financially sound and responsible and have people management skills. So who's to say these researches are the product of some bitter INxx type who has to see his ESxJ neighbor everyday roll into the driveway in their Mercedes? And then they get back at them by touting on the internet, that while you're planning your 7th trip to Europe and putting money aside to send your kids to college, I on the other hand have conceptual intelligence, bitch!
    brightflashes and morgandollar thanked this post.

  8. #7

    Quote Originally Posted by Stevester View Post
    These IQ+type ''researches'' seem shallow as hell to me.

    For starters they're obviously created by INxx types. I mean, do you honestly think an ESFP would dive in to this topic and say ''Yep, we're bottom 4 dumbest type...''.

    Second, they just go by assumptions. The smart functions are intuition and thinking so anyone who has that is automatically top 4 and then the rest writes itself.

    And finally what does it even calculate? Like Math problem solving skills? Linguistics and vocabulary? Or just flat out success in life? Seems to me like the latter should be heavily weighed in, but I doubt it is. Because if that were the case, ESxJs would be at the top seeing as those two types tend to be the most financially sound and responsible and have people management skills. So who's to say these researches are the product of some bitter INxx type who has to see his ESxJ neighbor everyday roll into the driveway in their Mercedes? And then they get back at them by touting on the internet, that while you're planning your 7th trip to Europe and putting money aside to send your kids to college, I on the other hand have conceptual intelligence, bitch!
    but muh abstract mind
    brightflashes and Suntide thanked this post.

  9. #8

    Joins in April 2016. Waits until August 2019 to make a single post about IQ.

    My IQ tells me something is off.
    brightflashes thanked this post.

  10. #9

    Quote Originally Posted by Janna View Post
    And who cares about what the average IQs are for different types? Whatever type you identify with, whether you've typed yourself correctly or incorrectly according to others, it says nothing about your capabilities. MBTI asks you about your preferences. If it happens that more than average people with the same preferences than you are exceptionally intelligent, it has nothing to do with you. You may or not be exceptionally intelligent, who knows. These are correlations, not causalities.

    This is somewhat of a pet peeve of mine. People are treating these "what's the type more likely to be gifted in XYZ" questions as if there's going to be proof of their being supremely XYZ. What do I care if INTPs are, compared to the average of other types, masters of computer programming? It doesn't make me any more gifted.
    thank you, took the words right out my mouth. (fingers?)

    IQ is garbage, besides its origins in eugenics, it only measures a small part of what someone is capable of. there is far more to a person that "mbti" mbti tropes, while entertaining, are just that. someone can be whatever they want to be.
    brightflashes thanked this post.

  11. #10

    Wait wait wait ... you actually CARE about this? lol.

    Unless you have an IQ test done by a professional, the numbers will be all over the place. But, as I'm sure you know, IQ is only a measure of intelligence based on only one way of defining intelligence (which many argue is outdated).

    Quote Originally Posted by ShamelessGit View Post
    It doesn't seem right that the dumbest personality type has borderline mental functioning...


    - - - - - - - - - -

    You've got to be trolling, right?
    Last edited by brightflashes; 08-27-2019 at 09:38 AM.
    Suntide thanked this post.


     
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