نسبت انگشت دوم به انگشت چهارم: تفاوت میان نسخه‌ها

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این نسبت یک [[دودیسی جنسی]] است: در مردان این نسبت بسیار کوچکتر از زنان است برای زنان تقریبا برابر یک است.

* اسکی<ref>{{یادکرد|author=Manning, John |title=Digit ratio: a pointer to fertility, behavior, and health |publisher=Rutgers University Press |location=New Brunswick, N.J |year=2002 |pages= |isbn=978-0-8135-3030-7}}{{Page needed|date=September 2010}}</ref>

* بازی فوتبال<ref>{{یادکرد ژورنال|author=Manning JT, Taylor RP |title=Second to fourth digit ratio and male ability in sport: implications for sexual selection in humans |journal=Evolution and Human Behavior |volume=22 |issue=1 |pages=61–69 |year=2001 |month=January |pmid=11182575 |doi=10.1016/S1090-5138(00)00063-5}}</ref>

* تجارت اقتصادی<ref>{{یادکرد ژورنال|author=Coates JM, Gurnell M, Rustichini A |title=Second-to-fourth digit ratio predicts success among high-frequency financial traders |journal=Proceedings of the National Academy of Sciences of the United States of America |volume=106 |issue=2 |pages=623–8 |year=2009 |month=January |pmid=19139402 |pmc=2626753 |doi=10.1073/pnas.0810907106 |laysummary=http://www.time.com/time/business/article/0,8599,1871066,00.html |laysource=[[تایم]] |laydate=12 January 2009}}</ref>

* [[یکسان‌دستی]] <ref>{{یادکرد ژورنال|author=Fink B, Manning JT, Neave N, Tan U |title=Second to fourth digit ratio and hand skill in Austrian children |journal=Biological Psychology |volume=67 |issue=3 |pages=375–84 |year=2004 |month=November |pmid=15294393 |doi=10.1016/j.biopsycho.2004.03.012}}</ref>

 

===شخصیت===

* تخاصم<ref name="Bailey & Hurd 2005"/><ref>{{یادکرد ژورنال|author=Benderlioglu Z, Nelson RJ |title=Digit length ratios predict reactive aggression in women, but not in men |journal=Hormones and Behavior |volume=46 |issue=5 |pages=558–64 |year=2004 |month=December |pmid=15555497 |doi=10.1016/j.yhbeh.2004.06.004}}</ref>

* مردانگی در دستخط<ref>{{یادکرد ژورنال|doi=10.1016/j.paid.2005.01.024 |title=Do differences in sex hormones affect handwriting style? Evidence from digit ratio and sex role identity as determinants of the sex of handwriting |month=July |year=2005 |first1=John R. |last1=Beech |first2=Isla C. |last2=Mackintosh |journal=Personality and Individual Differences |volume=39 |issue=2 |pages=459–68}}</ref>

* شخصیت<ref>{{یادکرد ژورنال|doi=10.1016/S0191-8869(02)00002-8 |title=A preliminary investigation of the associations between personality, cognitive ability and digit ratio |month=November |year=2002 |first1=Elizabeth J. |last1=Austin |first2=John T. |last2=Manning |first3=Katherine |last3=McInroy |first4=Elizabeth |last4=Mathews |journal=Personality and Individual Differences |volume=33 |issue=7 |pages=1115–24}}</ref><ref>Fink et al. 2004{{Verify source|which one?? there are two in the reference section!|date=October 2009}}</ref><ref>{{یادکرد ژورنال|doi=10.1016/j.paid.2005.03.016 |title=Second-to-fourth digit ratio related to Verbal and Numerical Intelligence and the Big Five |month=October |year=2005 |first1=Marc F. |last1=Luxen |first2=Bram P. |last2=Buunk |journal=Personality and Individual Differences |volume=39 |issue=5 |pages=959–66}}</ref>

* توانایی موسیقیایی<ref>{{یادکرد ژورنال|doi=10.1016/S1090-5138(99)00026-4 |title=Second to fourth digit ratio in elite musicians Evidence for musical ability as an honest signal of male fitness |month=January |year=2000 |last1=Sluming |first1=Vanessa A. |last2=Manning |first2=John T. |journal=Evolution and Human Behavior |volume=21 |issue=1 |pages=1–9}}</ref>