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Higher male variability may only concern dimensions in which men outcompete women as everything tends to get more varied and spread out the more potential there is.{{citation needed}} Men are simply more potent than women in many regards (taller, stronger, smarter, more sexually motivated, etc.), so overall men tend to have more variability. Conversely, women sometimes have greater variability in dimensions they have a higher mean (e.g. fear and emotionality). [[Metthew effect]]s may also play a role as men are more expected to succeed and more responsible for their lives, i.e. men may experience more of a downward spiral when they loose and more of an upward spiral when they succeed.
==History of the hypothesisOverview ==
===Early history===
The idea of men being more intra-sexually heterogenous than women in physical traits dates back to at least Charles Darwin, who stated his belief in such in The Descent of Man and Selection in Relation to Sex.
{{Quote|By the 1890’s several studies had been conducted to demonstrate that variability was indeed more characteristic of males...The biological evidence overwhelmingly favored males as the more variable sex.|Havelock Ellis}}
===Modern Studies===
Modern studies confirm men are more variable than women in intelligence,<ref>journal|author1=Machin, S. |author2=Pekkarinen, T. |title=Global Sex Differences in Test Score Variability|journal=Science|year=2008|volume=322|pmid=19039123|pages=1331–2|doi=10.1126/science.1162573|issue=5906}}</ref><ref>journal|first =Larry V. | last = Hedges |author2=Nowell, Amy | title=Sex Differences in Mental Test Scores, Variability, and Numbers of High-Scoring Individuals | journal=Science| year=1995 | volume=269 | pages=41–45 | doi=10.1126/science.7604277|pmid =7604277|issue =5220 | bibcode=1995Sci...269...41H</ref>
mathematical ability and visuospacial ability,<ref>Halpern, Diane F. et all. "The Science of Sex Differences in Science and Mathematics." Psychological Science in the Public Interest. Volume: 8 issue: 1, page(s): 1-51, Issue published: August 1, 2007.</ref><ref>Lindberg, Sara M.,Hyde, Janet Shibley,Petersen, Jennifer L.,Linn, Marcia C. "New trends in gender and mathematics performance: A meta-analysis." Psychological Bulletin, Vol 136(6), Nov 2010, 1123-1135.</ref>
Women, but not men, engage in mate-choice copying,<ref></ref> which either stems from greater conformity (explaining also their higher proneness to hysteria<ref></ref>) or as a means of choosing high status men. Either way, it implies more uniform desire in women, as it means they more likely choose the same male.
One study found that "when women rated men, they agreed in their perception more often than when men rated women", rating various desirable aspects including physical attractiveness.<ref></ref> A study by Wood et al. (2009) is often cited by [[bluepill]]ers as counter evidence as it found a consensus correlation .62 (.23) for males, but .44 (.19) for females,<ref></ref> but that may result from women rating even attractive men more harshly, so their ratings are more spread, but the study indicates that women more often agreed on some men being particularly ugly. Women also have more racial homophily, meaning they prefer their own race more, which also means their ratings will overall agree less on a racially diverse sample. The study also mentions that "perhaps photographs of men varied less in their attractiveness than the photographs of women".
==See Also==


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