64 Responses

  1. Cody says:

    My girlfriend at Akron University states that shes one of like 3 or 4 girls in her engineering classes. Women just think differently than men. Not better, not worse. When will people realize that gender based regulation doesn’t allow for people to be who they are as opposed to who the government wants them to be?

  2. Anonymous Bosh says:

    Racist.

    May the ghost of Larry Summers haunt your nightmares.

  3. Sprewell says:

    The only reason this is controversial or opposed is that most people don’t understand probability distributions. Some people who read this think that all males are better at math than all females, and if employers use that heuristic to hire, it hurts females who are good at math. Conversely, there are feminists who don’t understand distributions either, which is why they got so mad with Larry Summers when he said there might be more highly math-adept males than females, as they interpret that as “males are always better than females at math,” similar to the aforementioned dumb employers. In the face of all this stupidity about probability, many choose not to address these gender differences whatsoever, as this knowledge has little utility anyway, and go the PC route of not talking about it. Too bad, because the goal should be to find out more regardless.

    • Methinks says:

      Yup. That’s exactly right.

      I do have to say, though, that I don’t particularly want to work for a dumb employer. When you’re hiring, you’re not hiring “men” or “women”, you’re hiring a person. So, if you are too stupid to focus on a particular person’s individual’s skill level when hiring and promoting, then do I really want to work for you? In part because of these gender differences, we shouldn’t be surprised by male domination in derivatives or the lack of women in our posses of quants. An observed difference is not a call to action.

  4. LarryG says:

    two questions:

    1. is this gender-based difference also present in other countries ?

    2. In international comparisons – if we threw out the girl scores for the US scores, would we score better overall against our international competitors?

    • Jon Murphy says:

      Hey Larry,

      That’s an interesting question. Do you know if there is some sort of international standardized test like the SAT?

      • j says:

        There are several international test : pisa , tismm

        • LarryG says:

          re: PISA, NAEP, TIMMS … yup

          NAEP actually has a fairly precise definition for “basic”, “proficient” and “advanced”.

          many center on the ability to understand and articulate ideas, concepts and real world applications of technology and related.

    • Anonymous Bosh says:

      Depends on where you look for analysis. The official line is that “the more ‘gender neutral’ a country, the smaller the gap.”

      A couple of issues spring to mind. First, while the gap appears to decrease, it is never eliminated. More importantly, the data typically used is for 5th and 8th graders (versus college-bound seniors), which fails to account for the faster maturation of girls (i.e., it is possible that the gap increases as young people approach college age).

      Just as it is possible for researchers to look at SAT scores and claim that no gap exists, so can researchers look at PISA scores and find the same inexistence.

      One could look at France’s “Le Bac” (I could not find a score breakdown. Britain’s GCSE has girls outperforming boys across the board. China’s college entrance exams show boys over-represented among top scorers in math by about 2 to 1, and underrepresented in Art & Soc. Sci. by a similar ratio. Composite scores are equal. Interestingly, girls flat out WHOMP boys in Chinese and English. Just sayin’.

      • Its Gsatt says:

        I generally agree. I would emphasize culture more than anything. Looking at China, until how long ago were women given the chance to attend schools and pursue a higher level of mathematics? (I really don’t know)

        I would assume that males and females have equal capabilities in mathematics, it’s just up to the individual to have that passion/ “Give a damn”

        • The fourth doorman of the apocalypse says:

          On what evidence would you base the assumption of equal, on average, capabilities in math? Different hormone profiles have a way of doing different things.

        • The fourth doorman of the apocalypse says:

          In most important issues we are not interested in equal, on average, capabilities. We are interested in the best individuals out there. The sex with the larger variance is going to produce all the top achievers.

    • Elie says:

      Hi there,

      The questions in SAT producing the highest gender gap were given to Chinese students. Females scored the same as males. Further, Chinese females scored higher than American males, and the difference was significant. (Byrnes, Hong, and Xing 1997)

      American women are bad in math compared to East European, Chinese and Korean women (Andreescu et al). Unfortunately most literature on the subject focuses on American data.

      Overall, American curriculum for math is not challenging in international comparison. Also white American males are losing position in the international comparison.

      As interesting trivia, in Iran 70 % of engineering students are female. In Gulf Arab countries, women outperform men consistently in math – however both genders perform badly.

    • Allise Wachs says:

      Larry, if we only compare 15 year old boys in the 34 participating countries, US boys come in 21st place out of the 34. When males and females are combined, the US places at 25th. Either way, I’m embarrassed.

      It seems that too many American parents are more concerned about athletic performance than global academic performance. I’m ashamed.

      • LarryG says:

        It’s a curious thing in some ways. Massachusetts, for instance ranks 7th against the world I believe.

        But we have not fallen behind – our scores are relatively the same over the last 40 years or so…

        the other countries have advanced and left us behind.

        we are still teaching the way we always have and we do not teach at-risk/disadvantaged kids – effectively and they fall behind in K-3 and stay behind the rest of the way.

        I have read or heard some where that we’d rank in the top five if we took out the disadvantaged kids achievement scores…

        that’s pretty telling if true.

        We do not seriously fund the at-risk .. in K-3 where it is critical for the kids to get on grade level and K-3 has to compete against other school priorities to include sports and many other amenities for the kids that ARE on grade level.

        A lot of states in the US fund schools 1/2 at the state level and 1/2 at the local level.

        In Va the state provides 5k per student ONLY for core academic curricula and staffing.

        the rest comes from the locality but it’s almost never targeted at the at-risk level but rather at the many amenity programs that parents want.

        Even in K-3 – it’s the Feds that fund the most at-risk kids in the Title Program which not only gets funds but mandates that they can be spent ONLY for specially-trained reading and math specialists….

        We seem to lack the will and determination to do try to find out where the problems are and fund remedial programs, pre-k and head-start and follow on in K-3 for the at-risk.

        • Allise Wachs says:

          Wish I could agree, but our teaching and teachers have plummeted. Many studies have shown this.

          Many Americans believe that these statistics are result of inner-city schools bringing U.S. test scores down. However, when only U.S. suburbs data are used, our 15-year olds still grossly underperform relative to other countries. The economies of developed nations value skill in mathematics, science, technology, and engineering, and in these areas, American students underachieve. Arthur Levine, a former president of Columbia University’s Teachers College presented depressing statistics regarding the lack of achievement in our suburban education system. It was printed in Opinion section of the Wall Street Journal on November 15, 2012.

          • LarryG says:

            here’s where I got my info on trends:

            http://voices.washingtonpost.com/class-struggle/2011/02/myth_of_declining_us_schools.html

            it’s a news article based on a report: ” The 2010 Brown Center Report on American Education”

            read it and see what you think… let me know.

          • Allise Wachs says:

            Larry–interesting article. Thank you for sharing.

            Perhaps we were never great, but that does not diminish the fact that we are among the worst now (and there are many more than just 12 or 13 competitors now).

            I was in 2 Ph.D. programs in mathematics and statistics, and in both, I was one of the few Americans. Furthermore, I’m constantly being called by companies to find talented engineers and scientists. There appears to be a shortage. Numerous search firms tell me the same.

            It would be great if more American students would choose mathematics and engineering rather than flooded fields such as law and many social sciences.

            Many thanks again for sharing!

  5. SeattleSam says:

    You’re simply parroting the conservative line that there are differences between males and females. Or between blacks and whites for that matter. There are NOT differences. Now that that has been settled (and confirmed by the NY Times and MSNBC), it is only logical to attribute differences in performance to the gender discrimination which has hampered women since the very founding of this country. Until this shameful scourge can finally be eradicated we must launch an affirmative action program (say, by adding points to female SAT scores) to make up for centuries of discrimination.

  6. Anonymous Bosh says:

    More seriously: And what of the persistent differences for “Critical Reading” as well?

    Interestingly, the trend reverses for the relatively newer “Writing” portion of the test. I wonder whether, by combining analysis of the two trends, one could come up with, say, a gendered “test taker” advantage (or “risk taker,” i.e., the tendency for boys to be more likely, when down to two choices, guess and move on rather than dither). Perhaps the Writing section–a more deliberative, “holistic” test, one assumes–can shed light onto the different processes and how one might further modify the test to highlight different groups’ advantageous strategies.

    Interestingly, one could also look at post-admissions data for anti-boy bias (if admitted boys have higher scores, then perhaps they faced a higher admissions hurdle).

    Here’s s useful synopsis from UC Irvine:
    http://www.oir.uci.edu/adm/IA07-fall-fr-mean-sat-by-sch-gender.pdf

    Of course, biases are likely embedded in the data (UCI is admittedly admitting not a group per se but a group of individuals), but I find the differences… interesting.

    Other tidbits (from the original SAT document cited by Dr. Perry): You can see some self-selection bias in the relatively higher scores of sophomores and juniors. One could infer that only relatively gifted underclassmen would bother with the test, whereas seniors run a larger range (although not a full range…). Interestingly, freshman scored significantly lower, so perhaps education *is* doing… something. The noticeably higher scores of students from high-income families also reinforces certain themes (I leave it to the reader to side with nature or nurture…).

    Fascinating stuff!

    • faffy says:

      Speaking from experience: Your SAT scores will probably take a jump from Freshman to Junior/Senior year because you spend a few years learning helpful tricks. At least I did.

      This is particularly true when it comes to things like geometry questions on the math section. For example, you’re given a parallelogram with one angle, what are the other three angles? It’s entirely possible to reason to the answers from limited given information and basic principles, but if you know specific tricks you will get through these problems much faster (and speed is highly important due to time constraints).

  7. Howard Elliott says:

    These results could be just the tip of the iceberg of a more general phenomenon which could, once understood, explain much more than just the difference of math ability between the sexes. There seems to be some weird goings-on at the very top of many distribution curves, which don’t follow the trend the curve itself was pointing to. The Jewish population, for example, would be another example of this: does the normal curve explain, at the high end, their incredible intellectual performance? I don’t think so — there are many more of them there than should be, according to the distribution curve.

    Understanding this is crucial, it would seem, and some have posited the “smartest fraction” theory: it is those at uppermost reaches of the intellectual scale that are mostly responsible for advances in civilization. Zeroing in on these outliers will be the key to understanding the phenomenon. What does the distribution curve actually look like at those altitudes?

    It might just be that these extreme individuals will be responsible for the next “leap of being” — an expansion — in human consciousness, just like a few ancient Greek geniuses might have been responsible for the last one.

    These people are so precious — to humankind — that it would be better to scratch most of the educational programs (to think of the trillions already wasted!) and concentrate mostly on them, on the super-gifted, the 1% of the 1%. It is they who might one day give the rest of us an inkling as to what the future holds for the human race.

    • Methinks says:

      Very Eugenics-esque. You’re implying a scary level of social engineering. The 1% of the 1% will figure it out without the help of the rest of us relative dummies. Just get the hell out of their way. IF the ancient Greek geniuses were responsible for a leap of consciousness, they did it without the help you’re advocating.

      But, I doubt that many of the inventions that have bettered our daily life have come from this group (which, if you’ve ever met them, has a really hard time figuring out other human beings and how to perform some mundane tasks necessary for life, among other things). I doubt the weed-whacker or the dishwasher or the vacuum cleaner or the little tab that makes packages easier to open was dreamed up by a super genius. I’m wary.

      • Its Gsatt says:

        “(which, if you’ve ever met them, has a really hard time figuring out other human beings and how to perform some mundane tasks necessary for life, among other things)”

        haha like what? Mating? Maybe that’s why they’re still at such a low percent of that 1%.

        sorry, couldn’t help but laugh at that.

        • Methinks says:

          and don’t forget matching their socks. Or shoes.

          Actually, I was thinking more along the lines that some of them have a hard time channeling themselves into productive activity. They’re just “out there”. Generalizing about people is always limiting, of course, but ….

    • Mr. Econotarian says:

      The “super gifted” will tend to work it out themselves, they don’t really need “help”. What we really need to do is to have an agile educational system that can maximize the performance of those with lower IQs, which is something our stagnant public education system is unlikely to accomplish with current management structure.

      On the other hand, it might be useful to understand the genetic basis of IQ, to provide future parents with the ability to tweak their kids IQ up a few notches if possible.

      • Methinks says:

        Yep. It might be, but it seems that just measuring IQ is not as easy as you’d think. Nor is IQ the whole story if the goal is success in life (which is itself hard to define). I have a friend who is doing research in that area and after I broached the subject with her, I ended up more confused (which, I remember one of my professors telling me long ago, is a good thing because it means you’re learning something new).

        • John Dewey says:

          methinks”: “Nor is IQ the whole story if the goal is success in life (which is itself hard to define).”

          That’s very true. Thomas Stanley, in his book “The Millionaire Mind”, shows that neither high IQ nor graduation from top schools are predictors of wealth accumulation. Instead, he attributes economic success to excellence in “Discipline 101 and Tenacity 102″. I couldn’t agree more with Dr. Stanley.

  8. IGotBupkis, Legally Defined Cyberbully in all 57 States says:

    }}}} as opposed to who the government wants them to be?

    As opposed to who some victim-interest group wants you to be, you mean.

  9. IGotBupkis, Legally Defined Cyberbully in all 57 States says:

    MARK, if there’s a way to tell this system to organize oldest flow down to newest, that would Be A Real Good Thing.

    I hate this “newest first” crap that ALL the noob-written commentaria are using these days, since it doesn’t allow responses to FOLLOW their precedents.

  10. Greg says:

    A contrarian spin on the number of boys/girls taking the exam. Over 100K more girls took the exam than boys. What if you added 100K boys to the exam? That would likely make their numbers go down significantly (as those 100K more boys would be less academic than the 700+K already taking it).

    • Greg says:

      Just to clarify: obviously it wouldn’t change the fact that boys are more likely to score high on the exam, but it would affect the “adjusted” ratios. Also, it would likely bring the lower scores closer to parity.

  11. Murray Rice says:

    I have not looked at this years statistics, but have in the past. The past standard deviation difference has been about 1/3 of a standard deviation minus, as the sds are set to be around 110 points. The differences actually hold well across races. In the past, the white girls were about .3 sd above the mean. the white boys about .6 sds above the mean. The Asian girls were about .6 sds above the mean and the Asian boys were .9 sds above the mean. Moreover, the variances for both genders is about the same. If an additional factor of discrimination were present, it should manifest itself as a wider variation.

    However, normalized statistical scores are designed to show differences, but do not show what the magnitude of the differences are. If two groups differ in 10 questions out of 1000, there would still be variance that could expressed in the terms like the SATs, but really be meaningless in terms of performance. Furthermore, it’s difficult to extrapolate these scores to actual performance in a mathematically related field as persistence and interest play a strong role.

    But the differences do suggest that there would be more boys than girls at the top level ability in these fields. However, give the large numbers, there are more than enough girls and boys to fill the positions requiring these skills. So, it would be incorrect to say that of the people in these fields one gender is better than another.

    The take home lesson is that there are three fundamental errors in interpreting statistical differences. The first is that the mean describes the entire group. Just because the mean is different does not mean that all the members of one group are better than the other. This neglects the standard deviation. There are plenty of girls that have higher SAT math scores than most boys. The second error is to use the tails to describe the population and neglect the mean. As in saying based on the 2x greater top scores for males means that they are all higher than females. No there plenty of males that have low scores. The last error is that small differences in averages have no meaning. They do have an effect and it’s seen in the tales. As evidenced by the previously 2x higher top male scores than female.

  12. SeattleSam says:

    Isn’t this a bit like the observation made in The Bell Curve? That small differences in the mean IQ level translate to fairly large differences at both ends of the distribution curve?

  13. Norman says:

    Hopefully you’ll give the same treatment to the verbal parts of the SATs.

    And as an aside: THE FACTS ARE YOUR FRIENDS.

    • The fourth doorman of the apocalypse says:

      Why? No one is claiming that there is no disparity in the verbal parts of the SATs. At least, the usual suspects don’t care that the disparity is largely in favor of women.

  14. PeakTrader says:

    We know math requires a lot of repetition and we know women don’t repeat themselves often, although they tend to talk more.

    So, that may explain why more men are better than average in math and more women are better than average in language :)

    • David says:

      Hogwash.

      What I did notice, going through the data, is that Asians are overrepresented by a factor of two among the testtakers.

      I also wonder what the median amount of times Asians took the test(since most who took it, took it several times) compared to others.

      Another factor is socioeconomics.
      The average Asian household earns a lot more than everyone else, in large part because Asian immigration is very heavily skewed towards high-skill individuals(which is good for us, but it doesn’t really give a clear picture).

      For example, in the 2009 PISA test, if you only looked at American white students, they were ranked third in the world, just after S.Korea and Finland and ahead of Japan.

      (No, Hong Kong/Shanghai doesn’t count since it’s the elite who live there. Until China tests a nationally representative sample we don’t know how well they’ll do).

      But the thing with PISA, however, is that you can only take it once and it has to be representative of the population.

      The SAT, on the other hand, can be taken many times and is easy to prepare for.
      Not so with PISA.

  15. PeakTrader says:

    Commissioner’s Remarks – NCES Statement on PISA 2009

    “In reading literacy, female students scored higher, on average, than male students in all 65 participating countries and other education systems.

    In mathematics literacy, male students scored higher on average than female students in 35 countries and education systems; female students scored higher on average than male students in 5 countries.

    In science literacy, male students scored higher on average than female students in 11 countries and female students scored higher on average than male students in 21 countries.”

  16. zuppi says:

    Well, it’s amazing.
    When a study gives as a result that males are better than females in something, everybody feels that there must be some explanation and that possibly there is a bias in the study. When a study concludes that females are better than males in something, nobody analyzes the causes.
    Isn’t it sexism?

    • Walt Greenway says:

      Male and females are just different, so they will excel in different areas in the aggregate. I kind of like that that we are different because it makes the pieces fit together better.

      Give a male and a female the same problem to solve and the male will go over in the corner and work on it by himself and the female will call a friend and discuss it with her. SAT testing methodology is not working to female collaboration strengths.

      Even when a female knows the correct answer they will often leave it blank because they are not sure. I have to caution my students on national certification tests to not leave empty answers on multiple-choice tests, and I see this problem much more with females than males.

      I assume that females test better in some areas than males on the SAT is more a matter of male weakness in those areas than female strengths (give a male a writing assignment and his first reaction is why do I have to write about that garbage, but females almost never question my reasons for written assignments).

  17. Statistics hide individuals. Rather than adding to 40 replies here, I will be blogging about this on Necessary Facts. For here and now, Asians do better on the SAT — but need to score 140 points higher than Caucasians to have an equal chance at college admissions. Family income also correlates to SAT score. The best predictor of success in college seems to be your high school grade point NOT weighted for AP classes rather than your SAT scores. Moreover, the definition of “success” is itself a variable. Steve Jobs and Bill Gates only followed in the tradition of Edison.

  18. I am wondering how this display of Male superiority adds up when accounting for the gap in Male and Female participation. If there were say, many more Females taking those tests, would not this bring the average score for Females down? If say the Male participation was made up of more cream of crop achievers, would this not exagerate the score for boys?

  19. Allise Wachs says:

    Perhaps you should look an INTERNATIONAL statistics before commenting on gender differences. While the data strongly supports female inferiority in mathematical achievement in the U.S., the data does NOT show a gender gap in other countries. The U.S. has some cultural issues when it comes to mathematics, and once females fall behind in mathematics, they are precluded from hard engineering and science disciplines. We have a cultural problem.

  20. Aaron says:

    Who cares what your gender scores, I think one should only care about personal merits. If you score avg., it means your stupid. If you are smart your goal should be to score above everyone. There are idiots of both genders, so rather than saying one gender is not as smart as another, just make everyone of both genders feel inferior to you.

  21. Elie says:

    Hi there,

    You were criticizing the findings of Hyde, published in Science. Sorry, did you read the original paper though? I red it and I did not find any methodological problem… I quote from the article you linked what they actually did… I mean it is not her “opinion”, they actually tested it empirically, and it is published in a peer reviewed journal.

    “To carry out its query, the team acquired math scores from state exams now mandated annually under No Child Left Behind (NCLB), along with detailed statistics on test takers, including gender, grade level and ethnicity, in 10 states.

    Using data from more than 7 million students, they then calculated the “effect size,” a statistic that reports the degree of difference between girls’ and boys’ average math scores in standardized units.

    The effect sizes they found – ranging from 0.01 and 0.06 – were basically zero, indicating that average scores of girls and boys were the same.”

    Read more at: http://phys.org/news136126991.html#jCp

  22. Elie says:

    Hi there,

    You were criticizing the findings of Hyde, published in Science. Sorry, did you read the original paper though? I red it and I did not find any methodological problem… I quote from the article you linked what they actually did… I mean it is not her “opinion”, they actually tested it empirically, and it is published in a peer reviewed journal.

    “To carry out its query, the team acquired math scores from state exams now mandated annually under No Child Left Behind (NCLB), along with detailed statistics on test takers, including gender, grade level and ethnicity, in 10 states.

    Using data from more than 7 million students, they then calculated the “effect size,” a statistic that reports the degree of difference between girls’ and boys’ average math scores in standardized units.

    The effect sizes they found – ranging from 0.01 and 0.06 – were basically zero, indicating that average scores of girls and boys were the same.

    “Boys did a teeny bit better in some states, and girls did a teeny bit better in others,” says Hyde. “But when you average them all, you essentially get no difference.”

    Some critics argue, however, that even when average performance is equal, gender discrepancies may still exist at the highest levels of mathematical ability. So the team searched for those, as well. For example, they compared the variability in boys’ and girls’ math scores, the idea being that if more boys fell into the top scoring percentiles than girls, the variance in their scores would be greater.

    Again, the effort uncovered little difference, as did a comparison of how well boys and girls did on questions requiring complex problem solving.”

    Read more at: http://phys.org/news136126991.html#jCp

  23. Allise Wachs says:
      A number of countries in the Organization for Economic Cooperation and Development (OECD) participate in the Program for International Student Assessment (PISA) testing, where 15 year old students are given standardized tests in mathematics.

      In many countries, there is no difference between male and female performance in mathematics. Given this fact, it would appear that culture has a significant impact on whether a gender gap will appear in mathematics achievement—at least at age 15.

      Embarrassingly, the United States has the 4th largest gender gap of the 34 participating countries, and the gap is strongly statistically significant. The mathematics gender gap at age 15 does NOT exist in places such as Norway, Sweden, Finland, Iceland, South Korea, Singapore, Shanghai China, etc.

      We should question the messages that American parents, schools, and the media is sending to our girls. Furthermore, I am a female mathematician, and my daughters out-perform nearly all their male classmates in mathematics.

    • LarryG says:

      I did not realize that – and it’s an excellent point!

      however, we have other achievement gaps as well and so I’m wondering how much of these gaps are due to culture and how much due to the way we educate vs the way the OECD countries educate.

      but the fact there is no gender gap in OECD countries is a significant issue that I’ve not see brought up in these articles about gender gap in the USA.

      • Allise Wachs says:

        Hi Larry,
        like you, I wonder which other gender gaps are due to culture. Thanks for your comment.

        • LarryG says:

          we sort of already know this. For instance, NCLB breaks out achievement data by gender, race, and economic status.

          disadvantaged kids of all races and both genders generally do worse – across the board and one of the common reasons is that their parents are usually not well educated, barely have high school diplomas or less and as such cannot really help their kids academically and as bad – there is no culture of the value of education like you’d find in families where both Mom/Dad went to college.

          but what I’ve always found curious is that – that particular problem does not seem to be one in the OECD countries… all of them… about 30 of them… from Finland to Singapore to Spain to even Russia.

          surely they must have similar class and culture stratification and they too have to use different teaching techniques for the “harder to teach”.

          • Allise Wachs says:

            Larry–while I have no statistics on socioeconomic differences, it may be that the U.S. has more extreme differences in levels of education, wealth, and standard of living than some of the other countries.

            Perhaps in the Scandinavian countries, education and wealth are more homogeneous than in the U.S. In Singapore, there is huge variation in wealth, but there are no ghettos or unruly/dangerous neighborhoods (as in the U.S.).

          • LarryG says:

            could be but there are about 40 countries so it would constitute a very unique situation – not impossible but would require substantiation.

  24. Allise Wachs says:

    Larry–one more thing:

    I recently read 2 interesting books on the subject. One was dedicated to education, and the other had a fascinating chapter on education.

    The books are (1) The Bee Eater (Whitmire), and (2) Free to Choose (Friedman)

    • LarryG says:

      Thanks for the recommendations Allise…

      based on the “myth” article, my view has become that we got passed by but the two areas identified where we are behind are 1. – ability to “use” math, english, science to solve real world problems and 2. critical thinking.

      so if you put those two together- it implies that we never were very good at those to begin with – AND that OECD got dramatically better at those two things.

      simply -OECD got more rigorous and we did not.

  25. HuttonD says:

    I think the more appropriate way of looking at these statistics are not the aggregate of numbers but the aggregate of individual talent.

    By referring to the bell curve theory, or IQ studies of both genders, we can determine that the IQ for male and female are roughly equal when average out.

    But male are more represented at the lower end of the IQ spectrum, and far more highly represented at the higher end of the spectrum, and the higher up the IQ chain we go the larger this disparity becomes. Women are mostly clustered around the average IQ range, while a much greater variance is shown in men.

    Now the same variance can be observed across all other fields, but the outcome is mostly the same, just look to the yearly Math, Science or Physics Olympiad, or any Olympiads or competitions for that matter, you would see that over 90% of the participants each year are males, and almost certainly the top 5 winners are males. The same can be seen in every other discipline we examine through.

    My point is looking at just a set of minor statistics won’t give us an answer as to why the gender disparities among the top performers across every field are so predominantly skewed towards males.

    It’s not the test scores, it’s probably not even the IQ scores which also falls under the variance gap, one reasoning I have yet to many people argue for is the greater variance of talents and diversity between male and female, and those greater variance pushes males into many difference directions, while women tend to aggregate in the middle. After all biologically males are born with two chromosomes, female with one.

    Alternatively this also means women are absolutely essential to balance, but men are essential in pushing the boundaries of advancement, whether in Science or in Arts, or even in self destruction, for examples wars and unrest.

    I think the way we examine gender needs to take a whole new conceptual thinking, the problem is this subject is still too politically sensitive to be touched upon.

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