@SilverVVulpes https://t.co/u2HfWENa1J https://t.co/094afOybts
Sex Differences in Variability in General Intelligence: A New Look at the Old Question.
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Mar 2020 – Apr 2025Where it's discussed
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X / Twitter34 posts
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News9 articles
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AI synopsis
What people are saying
Overall, the discussions reflect a strong interest in the statistical details and implications of the publication, with participants referencing specific studies, challenging assumptions, and emphasizing biological versus social interpretations, which reveals a thoughtful and engaged dialogue about the topic.
Most discussions acknowledge the research's findings, though some question the distribution assumptions, indicating moderate agreement.
Discussions show high curiosity about statistical nuances like distribution skewness and kurtosis, highlighting strong interest.
Posts include references to additional studies, debates on biological versus social explanations, and sharing sources, demonstrating deep engagement.
While some recognize the importance of understanding variability in intelligence, the overall impact appears moderate due to ongoing debates and clarifications.
Abstract in brief
- The idea that males are generally more variable in intelligence than females has a long history and explains why males are overrepresented at both the high and low ends of intelligence, despite similar average scores.
- Analysis of large, representative samples shows that the distribution of intelligence is not perfectly normal, with less variability at the high end and more at the low end, and males tend to show more variability even above the average IQ.
- The distribution of intelligence may actually be a mix of two normal distributions—one representing typical variation and another representing effects like mental retardation—and while sex differences in variability exist, they don't fully explain differences in high-level achievement.]
Top posts
Most liked on X and Bluesky@EAlluia @Rabadash2 @RichardHanania @mattyglesias I just DM’d my mutual who’s an expert on this and he said the the greater male variability hypotheses has been confined and is generally accepted in the field. He sent me these 3 papers: https://t.co/hnPyMSQQy4
4. Erkek-kadın ortalamalarının aynı olduğu durumlarda bile erkeklerin daha heterojen puanlara sahip olmaları, yani hem en üstte hem en altta daha fazla temsil edilmeleri Darwin'den beri bilinen ve muhtemelen biyolojik temeli olan bir olgu. https://t.co/yzaMcrrRrP
@NinjaHomosexual Hay miles de estudios al respeto tonto a pedal https://t.co/Oj01LfoPiK https://t.co/tSbgL2wqoC
@WendyScarlet5 @Ravalo_Twitr @LibWeebGirl @Ale122704 @AnnieFemMas @LabMemberOO2 1.https://t.co/epUnWYr6xy 2.https://t.co/y5DEVYzQG0 3.https://t.co/Pk9mzJZAJp 4.https://t.co/sW7NdlOWGR
@W96Emily If you believe the science: https://t.co/Nz5YxYONcp
All mentions
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This video explores the long-standing debate on male and female intelligence differences, highlighting that males tend to show more variability, especially at the high and low ends of the IQ spectrum, but similarities…
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@UR__FUTURE__BF @oldfalsash @artemlucis @DreamLeaf5 @7Trihard20484 https://t.co/hvP9hpxPov https://t.co/aVY5JzAyO8 https://t.co/RS2AzpABMQ
@Eli_B_Again @andyeven @hollowearthterf https://t.co/hnPyMSQiIw
@witte_sergei Gross oversimplification. The actual distributions aren't even normal. Sex Differences in Variability in General Intelligence: A New Look at the Old Question Johnson et al 2008 https://t.co/iCqTVYFP8O
@Cal1995I @AshbyM @AutismCapital I believe that number is low, as IQ distribution has been found to vary wrt the third ("skew") and 4th (kurtosis aka "fat tails") moments. Was curious myself so did a quick search, found this: https://t.co/qQbXYoV6ab
@HERRTOT @HernanGomezB @JMilei De hecho el hombre vive menos porque en efecto "hay más hombres idiotas" Las distribuciones probabilísticas indican que los hombres rigen en los extremos del IQ, teniendo a la mayoría de la población con menor IQ y la mayoría de la población con mayor IQ https://t.co/OM8iGFY39c https://t.co/REeWjJloJn
@pimenlit @clowntiddey @MuseObserving @Geisterjger4 @agraybee https://t.co/kPf7izSaRV
@Ypsvw_ @_lea_li Hier es ist Usus: https://t.co/wUOt6DiYNC
@Ypsvw_ @_lea_li Hier Quellen dazu: https://t.co/Nsbxz1Qi7k https://t.co/aF1LJQKGpe
@EnlightenStS @_lea_li Hoppla falscher Link: Hier zum selber nachvollziehen, die Varianz ist überall höher. https://t.co/aF1LJQKGpe
@Seetangens @zyankali95 @OlSta0483 @welt Die "berühmte" 2008-Edingburgh Studie: https://t.co/tCE1XYEr1D "Though present at the high end of the distribution, sex differences in variability did not appear to account for sex differences in high-level achievement." Sie schreiben selbst, ist eher nach unten relevant.
RT @InsanEvrim: 4. Erkek-kadın ortalamalarının aynı olduğu durumlarda bile erkeklerin daha heterojen puanlara sahip olmaları, yani hem en ü…
4. Erkek-kadın ortalamalarının aynı olduğu durumlarda bile erkeklerin daha heterojen puanlara sahip olmaları, yani hem en üstte hem en altta daha fazla temsil edilmeleri Darwin'den beri bilinen ve muhtemelen biyolojik temeli olan bir olgu. https://t.co/yzaMcrrRrP
RT @Scientific_Bird: @SilverVVulpes https://t.co/u2HfWENa1J https://t.co/094afOybts
@SilverVVulpes https://t.co/u2HfWENa1J https://t.co/094afOybts
@W96Emily If you believe the science: https://t.co/Nz5YxYONcp
@schorn_stephan "...we showed that there were substantial departures from normality in the distribution, with less variability in the higher range than in the lower." https://t.co/nbxyMuz8et
@wynwok @tailcalled @NeuroSGS https://t.co/l28Jj0wA0k https://t.co/FK4tex4foz
@Saa3ii_ @rp3lr8 @N_U_T__ الأذكياء اقليه جدا غالبيتهم الساحقه رجال لكن حتى المتخلفين عقليا غالبيتهم الساحقه رجال كمان النساء غالبيتهم ذكائهم طبيعي النسبه الساحقه منهم أكثر من الرجال https://t.co/0F7FRbzJUu https://t.co/967BdSmrA8
@NinjaHomosexual Hay miles de estudios al respeto tonto a pedal https://t.co/Oj01LfoPiK https://t.co/tSbgL2wqoC
@EAlluia @Rabadash2 @RichardHanania @mattyglesias I just DM’d my mutual who’s an expert on this and he said the the greater male variability hypotheses has been confined and is generally accepted in the field. He sent me these 3 papers: https://t.co/hnPyMSQQy4
@irondada17 @4dawolf420 @monitoringbias Here's one: https://t.co/XnqNGXdIPm There are others, including one from 1921 of thousands of Scots, which this references as well.
RT @Chemagatari: @Malkav09 @Namurii Ah que no te gusta la wikipedia? Toma más fuentes hombre que ya veo que te gusta poco informarte. https…
RT @CuriousnTT: I haven't explained those in a while, so here is a refresher. It is hard to find a good illustration of this (controversial…
@Malkav09 @Namurii Ah que no te gusta la wikipedia? Toma más fuentes hombre que ya veo que te gusta poco informarte. https://t.co/6U7vWId0KZ https://t.co/NUWwHflbFX
I haven't explained those in a while, so here is a refresher. It is hard to find a good illustration of this (controversial topic). If we have two groups with normal distributions with the same peak but different slopes, like men and women on for IQ... https://t.co/qqwnx8wVET https://t.co/1rX3TX3vq5
RT @elreich3ro: @WendyScarlet5 @Ravalo_Twitr @LibWeebGirl @Ale122704 @AnnieFemMas @LabMemberOO2 1.https://t.co/epUnWYr6xy 2.https://t.co/…
@WendyScarlet5 @Ravalo_Twitr @LibWeebGirl @Ale122704 @AnnieFemMas @LabMemberOO2 1.https://t.co/epUnWYr6xy 2.https://t.co/y5DEVYzQG0 3.https://t.co/Pk9mzJZAJp 4.https://t.co/sW7NdlOWGR
@Giuoco__Piano @AditiBerlin @Rattigall @miriam_vollmer Die Autoren scheinen nicht so sicher zu sein wie du, was ihre Ergebnisse angeht. Dazu ergänzend auch diese Studie: https://t.co/DKOnpyu1hu Generell geht die Wissenschaft eher von sozialen Unterschieden aus, als von biologischen. https://t.co/wh4aXFO0bJ
@saraweston09 @BrentWRoberts @DMCpersonality @mmjokela @EmorieBeck @aidangcw @SachaEpskamp @LarsPenke For instance, sex differences in variability in IQ have been convincingly demonstrated in the Scottish Mental Survey, uniquely representative and well-participated study https://t.co/lZcEgAkjqP . Do we have something similar for personality?
@lelouch_420 @lorrik96 https://t.co/BuDtaLUST1 Jedyna różnica w inteligencji mężczyzn i kobiet występuje w wariancji, czyli jest więcej skrajnie inteligentnych mężczyzn i niepełnosprawnych intelektualnie. Nie zamierzam prowadzić dalej dyskusji, jeżeli uciekasz się do takiej żenady, jak ad personam.
@S_Silver93 @MartaLlanos97 hola, está hecho en relación a los datos que utilizó en esta conferencia el psicólogo Ian Deary en relación a este estudio suyo. Esta es la gráfica original que usó en su conferencia. estudio: https://t.co/HsFZUG0N0H conferencia: https://t.co/Ny9uodeyW3 https://t.co/XogomvppTT
@TheClarksTale @rexjung @charlesmurray There is strong evidence that in very large samples, there is a surplus of people below average, prob because of brain damage. https://t.co/j88unyQ0Sr I looked for departures from normality in the top range and could not find consistent evidence for it: https://t.co/WxV4jIWSo8
@critic_swedish @JL19874 @Timcast Brain https://t.co/zrwcVWuYPg https://t.co/ycBfQCYo5J https://t.co/uaf1VsL5ng https://t.co/JRu2OpdUEt https://t.co/ZH9MS85nVl Physical strength https://t.co/AThmxPbEH7 (sources in the wikipedia article) There's plenty more where this came from. But I doubt you'll be reading it.
@brucefanjoy @JohnnyBrottom9 @pepe_catalo @AMObstWriter @ksoileau @MariInTokyo @RenzoGuinto @IlonaKickbusch https://t.co/87qB9l6w0o
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