! 
Lavt fingerlængdeforhold
! 
Højt fingerlængeforhold
|-
| '''Fysiologi og sygdom'''
|
* Forøget risiko for [[prostatacancer]] og sygdomme i [[prostata]].<ref name=":0" /><ref>{{Cite journal|title = Relationship Between Second to Fourth Digit Ratios and Benign Prostatic Hyperplasia in Aging Men|url = http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4484107/|journal = Journal of Clinical and Diagnostic Research|date = 2015-05-01|issn = 2249-782X|pmc = 4484107|pmid = 26155515|pages = PC01–PC03|volume = 9|issue = 5|doi = 10.7860/JCDR/2015/11992.5937|first = Hanumanthaiah Honnamachanahalli|last = Sudhakar|first2 = Revanna|last2 = Manjunatha|first3 = Heragu Rangegowda|last3 = Madhusudhana}}</ref>
* Langsommere udvikling i livmoderen for begge køn.<ref name=":0" />
* Forøget reproduktionsevne hos mænd.<ref name=":3">{{Cite journal|title = The 2nd:4th digit ratio, sexual dimorphism, population differences, and reproductive success: evidence for sexually antagonistic genes?|url = http://www.sciencedirect.com/science/article/pii/S1090513800000295|journal = Evolution and Human Behavior|date = 2000-05-01|pages = 163–183|volume = 21|issue = 3|doi = 10.1016/S1090-5138(00)00029-5|first = J. T.|last = Manning|first2 = L.|last2 = Barley|first3 = J.|last3 = Walton|first4 = D. I.|last4 = Lewis-Jones|first5 = R. L.|last5 = Trivers|first6 = D.|last6 = Singh|first7 = R.|last7 = Thornhill|first8 = P.|last8 = Rohde|first9 = T.|last9 = Bereczkei|pmid = 10828555|access-date =  2. oktober 2017|archive-date =  7. november 2015|archive-url = https://web.archive.org/web/20151107064351/http://www.sciencedirect.com/science/article/pii/S1090513800000295|url-status=live}}</ref>
|
* Færre antal sædceller<ref>{{Cite journal|author=Manning JT, Scutt D, Wilson J, Lewis-Jones DI |title=The ratio of 2nd to 4th digit length: a predictor of sperm numbers and concentrations of testosterone, luteinizing hormone and oestrogen |journal=Human Reproduction |volume=13 |issue=11 |pages=3000–4 |date=november 1998 |pmid=9853845 |doi=10.1093/humrep/13.11.3000|last2=Scutt |last3=Wilson |last4=Lewis-Jones }}</ref>
* Forøget risiko for hjertesygdomme hos mænd<ref>{{Cite journal|vauthors=Manning JT, Bundred PE |title=The ratio of second to fourth digit length and age at first myocardial infarction in men: a link with testosterone? |journal=British Journal of Cardiology |volume=8 |issue=12 |pages=720–3 |year=2001 |issn=0969-6113}}</ref>
* Forøget risiko for [[overvægt]] og [[metabolisk syndrom]] hos mænd<ref>{{Cite journal|author=Fink B, Manning JT, Neave N |title=The 2nd-4th digit ratio (2D:4D) and neck circumference: implications for risk factors in coronary heart disease |journal=International Journal of Obesity |volume=30 |issue=4 |pages=711–4 |date=april 2006 |pmid=16261185 |doi=10.1038/sj.ijo.0803154|last2=Manning |last3=Neave }}</ref>
* Reduceret risiko for prostatacencer<ref name="prostate">{{cite news|last=Walsh|first=Fergus|title=Index finger length prostate cancer clue|url=http://www.bbc.co.uk/news/health-11880415|work=BBC News|access-date=1. december 2010|date=1. december 2010|archive-date= 1. december 2010|archive-url=https://web.archive.org/web/20101201044738/http://www.bbc.co.uk/news/health-11880415|url-status=live}}</ref>
* Reduceret fødselsvægt blandt drenge<ref>Ronalds G, Phillips DIW, Godfrey KM, Manning JT. The ratio of second to fourth digit lengths: a marker of impaired fetal growth? Early Hum. Dev. 2002;68:21–6.</ref><ref>{{Cite journal|author=Klimek M, Galbarczyk A, Nenko I, Alvarado LC, Jasienska G. |title=Digit ratio (2D:4D)as an indicator of body size, testosterone concentration and number of children in human males |journal=Ann Hum Biol |pages=1 |year=2014 |pmid=24766144 |doi=10.3109/03014460.2014.902993|last2=Galbarczyk |last3=Nenko |last4=Alvarado |last5=Jasienska |volume=41}}</ref>
* Forøgelse af reproduktiv succes hos kvinder.<ref name=":3" />
|-
| '''Psykologiske forstyrrelser'''
|
* Forøget forekomst af [[ADHD]] hos mænd<ref>{{Cite journal|author=McFadden, D., Westhafer, J.G., Pasanen, E.G., Carlson, C.L., and Tucker, D.M. |title=Physiological evidence of hypermasculinization in boys with the inattentive subtype of attention-deficit/hyperactivity disorder (ADHD) |journal=Clinical Neuroscience Research |volume=5  |pages=233–245 |year=2005 |doi=10.1016/j.cnr.2005.09.004|issue=5–6}}</ref><ref>{{Cite journal|author=Stevenson JC, Everson PM, Williams DC, Hipskind G, Grimes M, Mahoney ER. |title=Attention deficit/hyperactivity disorder (ADHD) symptoms and digit ratios in a college sample |journal=Am J Hum Biol |volume=19 |pages=41–50 |year=2007 |pmid=17160985 |doi=10.1002/ajhb.20571 |issue=1|last2=Everson |last3=Williams |last4=Hipskind |last5=Grimes |last6=Mahoney }}</ref><ref>{{Cite journal|author=Martel, M.M, K.L.Gobrogge, S.M.Breedlove & J.T.Nigg  |title=Masculinized Finger-Length Ratios of Boys, but Not Girls, Are Associated With Attention-Deficit/Hyperactivity Disorder |journal=Behavioral Neuroscience |volume=122  |pages=273–281 |year=2008 |pmid=18410167 |pmc=2902868 |doi=10.1037/0735-7044.122.2.273 |issue=2|last2=Gobrogge |last3=Breedlove |last4=Nigg }}</ref><ref>{{Cite journal|author=Martel, M.M.  |title=Conscientiousness as a mediator of the association between masculinized finger-length ratios and attention-deficit/hyperactivity disorder (ADHD) |journal=J Child Psychol Psychiatry  |volume=50 |pages=790–798. |year=2009 |pmid=19298468 |doi=10.1111/j.1469-7610.2009.02065.x |issue=7}}</ref>
* Forøget forekomst af [[Aspergers syndrom]] og andre lidelser inden for det [[autisme|autistiske spektrum]]<ref name="Manning">{{Cite journal|author=Manning JT, Baron-Cohen S, Wheelwright S, Sanders G |title=The 2nd to 4th digit ratio and autism |url=https://archive.org/details/sim_developmental-medicine-and-child-neurology_2001-03_43_3/page/160 |journal=Developmental Medicine and Child Neurology |volume=43 |issue=3 |pages=160–4 |date=marts 2001 |pmid=11263685 |doi=10.1017/S0012162201000317|last2=Baron-Cohen |last3=Wheelwright |last4=Sanders }}</ref>
* Forøget risiko for [[anorexia nervosa]] hos kvinder.<ref name=":1">{{Cite journal|title = The 2nd to 4th digit ratio (2D:4D) and eating disorder diagnosis in women|url = http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3134962/|journal = Personality and Individual Differences|date = 2011-09-01|issn = 0191-8869|pmc = 3134962|pmid = 21765573|pages = 402–405|volume = 51|issue = 4|doi = 10.1016/j.paid.2010.07.024|first = Stephanie Jane|last = Quinton|first2 = April Rose|last2 = Smith|first3 = Thomas|last3 = Joiner}}</ref><ref name=":2">{{Cite journal|title = The 2 to 4 digit ratio (2D:4D) and eating disorder diagnosis in women|url = http://www.ncbi.nlm.nih.gov/pubmed/21765573|journal = Personality and Individual Differences|date = 2011-09-01|issn = 0191-8869|pmc = 3134962|pmid = 21765573|pages = 402–405|volume = 51|issue = 4|doi = 10.1016/j.paid.2010.07.024|first = Stephanie Jane|last = Quinton|first2 = April Rose|last2 = Smith|first3 = Thomas|last3 = Joiner|access-date =  2. oktober 2017|archive-date = 12. november 2017|archive-url = https://web.archive.org/web/20171112190811/https://www.ncbi.nlm.nih.gov/pubmed/21765573|url-status=live}}</ref>
* Forøget forekomst af [[psykopati]] hos mænd med lavt fingerlængdefrhold og høje testosteron-niveauer.<ref name="Carré 319–326">{{Cite journal|title = Digit ratio (2D:4D) and psychopathic traits moderate the effect of exogenous testosterone on socio-cognitive processes in men|url = http://www.ncbi.nlm.nih.gov/pubmed/26356040|journal = Psychoneuroendocrinology|date = 2015-12-01|issn = 1873-3360|pmid = 26356040|pages = 319–326|volume = 62|doi = 10.1016/j.psyneuen.2015.08.023|first = Justin M.|last = Carré|first2 = Triana L.|last2 = Ortiz|first3 = Brandy|last3 = Labine|first4 = Benjamin J. P.|last4 = Moreau|first5 = Essi|last5 = Viding|first6 = Craig S.|last6 = Neumann|first7 = Bernard|last7 = Goldfarb|access-date =  2. oktober 2017|archive-date = 23. november 2017|archive-url = https://web.archive.org/web/20171123091409/https://www.ncbi.nlm.nih.gov/pubmed/26356040|url-status=live}}</ref>
* Forøget forekomst af [[alkoholisme]].<ref>{{Cite journal|title = Low Digit Ratio 2D∶4D in Alcohol Dependent Patients|url = http://dx.doi.org/10.1371/journal.pone.0019332|journal = PLoS ONE|date = 2011-04-25|pmc = 3081847|pmid = 21547078|pages = e19332|volume = 6|issue = 4|doi = 10.1371/journal.pone.0019332|first = Johannes|last = Kornhuber|first2 = Gabriele|last2 = Erhard|first3 = Bernd|last3 = Lenz|first4 = Thomas|last4 = Kraus|first5 = Wolfgang|last5 = Sperling|first6 = Kristina|last6 = Bayerlein|first7 = Teresa|last7 = Biermann|first8 = Christina|last8 = Stoessel}}</ref>
|
* Forøget risiko for [[depression]] hos mænd<ref>{{cite journal|last=Bailey, A. & Hurd, P.|title=Depression in men is associated with more feminine finger length ratios|url=https://archive.org/details/sim_personality-and-individual-differences_2005-09_39_4/page/829|journal=Personality and Individual Differences|year=2005|volume=39|issue=4|pages=829–836|doi=10.1016/j.paid.2004.12.017|first1=Allison A.|last2=Hurd|first2=Peter L.}}</ref> 
* Forøget forekomst af [[schizofreni]]<ref name="Arató M, Frecska E, Beck C, An M, Kiss H 2004 191–4">{{Cite journal|author=Arató M, Frecska E, Beck C, An M, Kiss H |title=Digit length pattern in schizophrenia suggests disturbed prenatal hemispheric lateralization |journal=Progress in Neuro-psychopharmacology & Biological Psychiatry |volume=28 |issue=1 |pages=191–4 |date=januar 2004 |pmid=14687873 |doi=10.1016/j.pnpbp.2003.09.020|last2=Frecska |last3=Beck |last4=An |last5=Kiss }}</ref>
* Forøget forekomst af [[psykopati]] hos kvinder<ref>{{cite journal|last=Blanchard|first=A.|author2=Lyons, M.|title=An Investigation into the Relationship between Digit Length Ratio and Psychopathy|journal=British Journal of Forensic Practice|date=maj 2010|volume=12|issue=2|url=http://lhu.academia.edu/AlysonBlanchard/Papers/305985/An_Investigation_Into_the_Relationship_Between_Digit_Length_Ratio_2D_4D_and_Psychopathy|doi=10.5042/bjfp.2010.0183|pages=23–31|access-date= 2. oktober 2017|archive-date=24. marts 2012|archive-url=https://web.archive.org/web/20120324232301/http://lhu.academia.edu/AlysonBlanchard/Papers/305985/An_Investigation_Into_the_Relationship_Between_Digit_Length_Ratio_2D_4D_and_Psychopathy|url-status=live}}</ref>
* Reduceret risiko for [[alkoholisme]]<ref>{{Cite journal|author=Kornhuber J, Erhard G, Lenz B, Kraus T, Sperling W, Bayerlein K, Biermann T, Stoessel C |title=Low Digit Ratio 2D∶4D in Alcohol Dependent Patients |journal=PLoS ONE |volume=6 |issue=4 |pages=e19332 |date=april 2011 |pmid=21547078 |doi=10.1371/journal.pone.0019332|editor1-last=Zhang|editor1-first=Xiang Yang|pmc=3081847|last2=Erhard |last3=Lenz |last4=Kraus |last5=Sperling |last6=Bayerlein |last7=Biermann |last8=Stoessel }}</ref>
* Reduceret risiko for afhængighed af [[videospil]]<ref>{{Cite web |url=http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0079539#abstract0 |title=J. Kornhuber, EM Zenses, B Lenz, C Stoessel, P Bouna-Pyrrou, F Rehbein, S Kliem, T Mößle (2013): Low digit ratio 2D:4D associated with video game addiction. ''PLoS ONE'' 2013; Vol. 8, Nr. 11: e79539 |access-date= 2. oktober 2017 |archive-date= 5. januar 2015 |archive-url=https://web.archive.org/web/20150105170823/http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0079539#abstract0 |url-status=live }}</ref>
* Forøget [[angst]] hos mænd<ref>{{cite journal|last=Evardone & Alexander|title=Anxiety, Sex-linked Behavior, and Digit Ratios|journal=Arch Sex Behav.|year=2009|volume=38|issue=3|pmc=2768336|pmid=17943431|doi=10.1007/s10508-007-9260-6|pages=442–55|first1=Milagros|last2=Alexander|first2=Gerianne M.}}</ref>
* Forøget risiko for [[bulimi]].<ref name=":1" /><ref name=":2" />
|-
| '''Fysisk og konkurrerende adfærd'''
|Forøgelse af aggressiv adfærd under sportsudøvelse.<ref>{{Cite journal|title = Soccer players awarded one or more red cards exhibit lower 2D:4D ratios|url = http://onlinelibrary.wiley.com/doi/10.1002/ab.21638/abstract|journal = Aggressive Behavior|date = 2015-12-01|issn = 1098-2337|pages = n/a-n/a|doi = 10.1002/ab.21638|language = en|first = Alvaro|last = Mailhos|first2 = Abraham P.|last2 = Buunk|first3 = Denise|last3 = del Arca|first4 = Verónica|last4 = Tutte|access-date =  2. oktober 2017|archive-date =  2. oktober 2017|archive-url = https://web.archive.org/web/20171002220630/http://onlinelibrary.wiley.com/doi/10.1002/ab.21638/abstract|url-status=live}}</ref>
|
* Reduceret præstationsniveau ved sportsudøvelse<ref>{{Cite journal|author=Manning JT, Taylor RP |title=Second to fourth digit ratio and male ability in sport: implications for sexual selection in humans |url=https://archive.org/details/sim_evolution-and-human-behavior_2001-01_22_1/page/61 |journal=Evolution and Human Behavior |volume=22 |issue=1 |pages=61–69 |date=januar 2001 |pmid=11182575 |doi=10.1016/S1090-5138(00)00063-5|last2=Taylor }}</ref>
* Reduceret evne til aktiehandel<ref>{{Cite journal |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 |date=januar 2009 |pmid=19139402 |pmc=2626753 |doi=10.1073/pnas.0810907106 |lay-url=http://www.time.com/time/business/article/0,8599,1871066,00.html |lay-source=[[Time (magazine)|Time]] |lay-date=12. januar 2009 |last2=Gurnell |last3=Rustichini |access-date= 2. oktober 2017 |archive-date=26. august 2013 |archive-url=https://web.archive.org/web/20130826210233/http://www.time.com/time/business/article/0,8599,1871066,00.html |url-status=live }}</ref>
|-
| '''Kognition og personlighed'''
|
* Selvsikkerhed hos kvinder<ref name=Wilson1983/>
* [[Aggression]] hos mænd<ref name="Bailey & Hurd 2005"/><ref>{{Cite journal|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 |date=december 2004 |pmid=15555497 |doi=10.1016/j.yhbeh.2004.06.004|last2=Nelson }}</ref><ref>{{Cite journal|title = Association between a marker for prenatal testosterone exposure and externalizing behavior problems in children|url = http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4247331/|journal = Development and Psychopathology|date = 2012-08-01|issn = 0954-5794|pmc = 4247331|pmid = 22781854|pages = 771–782|volume = 24|issue = 3|doi = 10.1017/S0954579412000363|first = Jianghong|last = Liu|first2 = Jill|last2 = Portnoy|first3 = Adrian|last3 = Raine|access-date =  2. oktober 2017|archive-date =  2. januar 2016|archive-url = https://web.archive.org/web/20160102190457/http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4247331/|url-status=live}}</ref><ref>{{Cite journal|title = Digit ratio (2D:4D), aggression, and dominance in the Hadza and the Datoga of Tanzania|url = http://www.ncbi.nlm.nih.gov/pubmed/25824265|journal = American Journal of Human Biology|date = 2015-10-01|issn = 1520-6300|pmid = 25824265|pages = 620–627|volume = 27|issue = 5|doi = 10.1002/ajhb.22718|first = Marina|last = Butovskaya|first2 = Valentina|last2 = Burkova|first3 = Dmitry|last3 = Karelin|first4 = Bernhard|last4 = Fink|access-date =  2. oktober 2017|archive-date = 23. november 2017|archive-url = https://web.archive.org/web/20171123091119/https://www.ncbi.nlm.nih.gov/pubmed/25824265|url-status=live}}</ref><ref>{{Cite journal|title = Second to fourth digit ratio confirms aggressive tendencies in patients with boxers fractures|url = http://www.ncbi.nlm.nih.gov/pubmed/23972912|journal = Injury|date = 2013-11-01|issn = 1879-0267|pmid = 23972912|pages = 1636–1639|volume = 44|issue = 11|doi = 10.1016/j.injury.2013.07.018|first = C. W.|last = Joyce|first2 = J. C.|last2 = Kelly|first3 = J. C.|last3 = Chan|first4 = G.|last4 = Colgan|first5 = D.|last5 = O'Briain|first6 = J. P.|last6 = Mc Cabe|first7 = W.|last7 = Curtin|access-date =  2. oktober 2017|archive-date = 23. november 2017|archive-url = https://web.archive.org/web/20171123090247/https://www.ncbi.nlm.nih.gov/pubmed/23972912|url-status=live}}</ref>
* Maskulin håndskrift hos kvinder<ref>{{Cite journal|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 |url=https://archive.org/details/sim_personality-and-individual-differences_2005-07_39_2/page/459 |date=juli 2005 |first1=John R. |last1=Beech |first2=Isla C. |last2=MacKintosh |journal=Personality and Individual Differences |volume=39 |issue=2 |pages=459–68}}</ref>
* Opfattet "dominans" og "maskulinitet" i mænds ansigt<ref>{{Cite journal|author=Neave N, Laing S, Fink B, Manning JT |title=Second to fourth digit ratio, testosterone and perceived male dominance |journal=[[Proceedings of the Royal Society B]] |volume=270 |issue=1529 |pages=2167–72 |date=oktober 2003 |pmid=14561281 |pmc=1691489 |doi=10.1098/rspb.2003.2502|last2=Laing |last3=Fink |last4=Manning }}</ref><ref>{{Cite journal|author=Burriss RP, Little AC, Nelson EC |title=2D:4D and sexually dimorphic facial characteristics |url=https://archive.org/details/sim_archives-of-sexual-behavior_2007-06_36_3/page/377 |journal=Archives of Sexual Behavior |volume=36 |issue=3 |pages=377–84 |date=juni 2007 |pmid=17203400 |doi=10.1007/s10508-006-9136-1|last2=Little |last3=Nelson }}</ref>
* Musikalitet hos mænd<ref>{{Cite journal|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 |url=https://archive.org/details/sim_evolution-and-human-behavior_2000-01_21_1/page/n6 |date=januar 2000 |last1=Sluming |first1=Vanessa A. |last2=Manning |first2=John T. |journal=Evolution and Human Behavior |volume=21 |issue=1 |pages=1–9}}</ref>
* Forøgede akademiske evner<ref>{{Cite journal|last1=Nye|first1=John V. C.|last2=Androuschak|first2=Gregory|last3=Desierto|first3=Desirée|last4=Jones|first4=Garett|last5=Yudkevich|first5=Maria|title=2D:4D Asymmetry and Gender Differences in Academic Performance|journal=PLoS ONE|volume=7|issue=10|pages=e46319|url=http://www.plosone.org/article/info:doi/10.1371/journal.pone.0046319|access-date=2014-09-20|doi=10.1371/journal.pone.0046319|pmid=23056282|year=2012|archive-date=28. oktober 2014|archive-url=https://web.archive.org/web/20141028022057/http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0046319|url-status=live}}</ref>
* Matematisk evner<ref>{{cite web|title=Finger Ratio Predicts Maths Ability?|url=http://ibmathsresources.com/2013/05/05/finger-ratio-predicts-maths-ability/|website=http://ibmathsresources.com/|access-date=2014-09-20|archive-date= 3. oktober 2017|archive-url=https://web.archive.org/web/20171003075744/https://ibmathsresources.com/2013/05/05/finger-ratio-predicts-maths-ability/|url-status=live}}</ref>
* Nedsat [[empati]] i forhold til testosteronniveauet hos voksne<ref name="Carré 319–326"/>
|
* Forhøjet forekomst af [[overtro]] og tro på [[paranormal]]e fænomener hos mænd med højere fingerlængdeforhold.<ref>{{Cite journal|doi=10.1016/j.paid.2009.01.051 |title=Who wants to believe? Associations between digit ratio (2D:4D) and paranormal and superstitious beliefs |url=https://archive.org/details/sim_personality-and-individual-differences_2009-07_47_2/page/105 |date=juli 2009 |author=Voracek, M. |journal=Personality and Individual Differences |volume=47 |issue=2 |pages=105–109}}</ref>
* Højere eksamensresultater hos mandlige studerende<ref name=Romano2006>{{Cite journal|author=Romano M, Leoni B, Saino N |title=Examination marks of male university students positively correlate with finger length ratios (2D:4D) |url=https://archive.org/details/sim_biological-psychology_2006-02_71_2/page/175 |journal=Biological Psychology |volume=71 |issue=2 |pages=175–82 |date=februar 2006 |pmid=15978716 |doi=10.1016/j.biopsycho.2005.03.006|last2=Leoni |last3=Saino }}</ref><ref>{{Cite journal |author=Brosnan MJ |title=Digit ratio as an indicator of numeracy relative to literacy in 7-year-old British schoolchildren |journal=British Journal of Psychology |volume=99 |issue=Pt 1 |pages=75–85 |date=februar 2008 |pmid=17535470 |doi=10.1348/000712607X197406 |lay-url=http://www.livescience.com/7290-finger-length-predicts-sat-performance.html |lay-source=[[LiveScience]] |lay-date=22. maj 2007 |access-date= 2. oktober 2017 |archive-date= 3. oktober 2017 |archive-url=https://web.archive.org/web/20171003030556/https://www.livescience.com/7290-finger-length-predicts-sat-performance.html |url-status=live }}</ref>
* Højere niveau af [[neuroticisme]] hos begge køn<ref>{{Cite journal|title = Second to fourth digit ratio and the ‘big five’ personality factors|url = https://www.researchgate.net/publication/223529838_Second_to_fourth_digit_ratio_and_the_Big_Five_personality_factors|journal = Personality and Individual Differences|pages = 495–503|volume = 37|issue = 3|doi = 10.1016/j.paid.2003.09.018|first = Bernhard|last = Fink|first2 = John T|last2 = Manning|first3 = Nick|last3 = Neave|access-date =  2. oktober 2017|archive-date =  2. oktober 2017|archive-url = https://web.archive.org/web/20171002215824/https://www.researchgate.net/publication/223529838_Second_to_fourth_digit_ratio_and_the_Big_Five_personality_factors|url-status=live}}</ref>
* Forøget sproglige kompetencer for begge køn.<ref name=":0">{{Cite book|title = Digit Ratio: A Pointer To Fertility, Behavior And Health|url = https://archive.org/details/digitratiopointe00mann|last = Manning|first = John T.|publisher = Rutger University Press|year = 2002|isbn = 0813530296|location = New Brunswick|pages = [https://archive.org/details/digitratiopointe00mann/page/n83 65]–68}}</ref>
* Forøget evne til visuel genkendelse hos kvinder.<ref>{{Cite journal|title = Picture recall skills correlate with 2D:4D ratio in women but not men|url = http://www.sciencedirect.com/science/article/pii/S1090513804000200|journal = Evolution and Human Behavior|date = 2004-05-01|pages = 174–181|volume = 25|issue = 3|doi = 10.1016/j.evolhumbehav.2004.03.004|first = Mary|last = Poulin|first2 = Rachael L|last2 = O'Connell|first3 = Louise M|last3 = Freeman}}</ref>
|-
| '''Ledelse'''
|
* Lederegenskaber<ref>Derval, Diana. ''The Right Sensory Mix: Targeting Consumer Product Development Scientifically''. Springer, 2010, p. 129-130.</ref>
* Innovation<ref>Derval, Diana. ''The Right Sensory Mix: Targeting Consumer Product Development Scientifically''. Springer, 2010, p. 129-135.</ref>
|
|-
| '''Sanseevne'''
|
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* Lugtesans<ref>Derval, Diana. ''The Right Sensory Mix: Targeting Consumer Product Development Scientifically''. Springer, 2010, p. 62-67.</ref>
* Farvegenkendelse<ref>Derval, Diana. ''The Right Sensory Mix: Targeting Consumer Product Development Scientifically''. Springer, 2010, p. 112-122.</ref>
* Følesans<ref>Derval, Diana (2011). "Hormonal Quotient and tactile sensitivity: a segmentation model to understand and predict individuals' texture preferences based on prenatal exposure to hormones". Proceedings of Society for Behavioral Neuroendocrinology 15th Annual Meeting, Queretaro, Mexico, p.125.</ref>
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| '''Seksuel orientering'''
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* [[Lesbisk]]e har gennemsnitligt et lavere fingerlængdeforhold end heteroseksuelle kvinder<ref name=Csatho2003/><ref name = "Williams, T.J. et al. (2000)">{{Cite journal|author=Williams TJ|title=Finger-length ratios and sexual orientation|journal=Nature|volume=404|issue=6777|pages=455–6|date=marts 2000|pmid=10761903|doi=10.1038/35006555|url=http://msu.edu/~breedsm/pdf/breedlove2000.pdf|author2=Pepitone ME|author3=Christensen SE|display-authors=3|last4=Cooke|first4=Bradley M.|last5=Huberman|first5=Andrew D.|last6=Breedlove|first6=Nicholas J.|last7=Breedlove|first7=Tessa J.|last8=Jordan|first8=Cynthia L.|last9=Breedlove|first9=S. Marc|access-date= 2. oktober 2017|archive-date=26. juni 2015|archive-url=https://web.archive.org/web/20150626212809/https://www.msu.edu/~breedsm/pdf/breedlove2000.pdf|url-status=live}}</ref><ref name = "Tortorice, J.L. (2002)">{{Cite journal|author=Tortorice JL |year=2002 |publisher=Rutgers University |title=Written on the body: [[butch and femme|butch vs. femme]] lesbian gender identity and biological correlates of low digit ratio |oclc=80234273}}</ref><ref name = "McFadden and Shubel (2002)">{{Cite journal|author=McFadden D, Shubel E |title=Relative lengths of fingers and toes in human males and females |journal=Hormones and Behavior |volume=42 |issue=4 |pages=492–500 |date=december 2002 |pmid=12488115 |doi=10.1006/hbeh.2002.1833|last2=Shubel }}</ref><ref name = "Hall and Love (2003)">{{Cite journal|author=Hall LS, Love CT |title=Finger-length ratios in female monozygotic twins discordant for sexual orientation |url=https://archive.org/details/sim_archives-of-sexual-behavior_2003-02_32_1/page/23 |journal=Archives of Sexual Behavior |volume=32 |issue=1 |pages=23–8 |date=februar 2003 |pmid=12597269 |doi=10.1023/A:1021837211630|last2=Love }}</ref><ref name = "Rahman and Wilson (2003)">{{Cite journal|author=Rahman Q, Wilson GD |title=Sexual orientation and the 2nd to 4th finger length ratio: evidence for organising effects of sex hormones or developmental instability? |url=https://archive.org/details/sim_psychoneuroendocrinology_2003-04_28_3/page/288 |journal=Psychoneuroendocrinology |volume=28 |issue=3 |pages=288–303 |date=april 2003 |pmid=12573297 |doi=10.1016/S0306-4530(02)00022-7|last2=Wilson }}</ref><ref name = "Putz, D.A. et al. (2004)">{{Cite journal |doi=10.1016/j.evolhumbehav.2004.03.005 |title=Sex hormones and finger length: What does 2D:4D indicate? |date=maj 2004 |first1=David A. |last1=Putz |first2=Steven J. C. |last2=Gaulin |first3=Robert J. |last3=Sporter |first4=Donald H. |last4=McBurney |journal=Evolution and Human Behavior |volume=25 |issue=3 |pages=182–99 |url=http://www.anth.ucsb.edu/faculty/gaulin/page1/Puts_et_al_2004.pdf |access-date= 2. oktober 2017 |archive-date= 7. januar 2010 |archive-url=https://web.archive.org/web/20100107082947/http://www.anth.ucsb.edu/faculty/gaulin/page1/Puts_et_al_2004.pdf |url-status=dead }}</ref><ref name = "Rahman, Q. (2005)">{{Cite journal|author=Rahman Q |title=Fluctuating asymmetry, second to fourth finger length ratios and human sexual orientation |url=https://archive.org/details/sim_psychoneuroendocrinology_2005-05_30_4/page/382 |journal=Psychoneuroendocrinology |volume=30 |issue=4 |pages=382–91 |date=maj 2005 |pmid=15694118 |doi=10.1016/j.psyneuen.2004.10.006}}</ref><ref name = "Kraemer et al. (2006)">{{Cite journal|author=Kraemer B, Noll T, Delsignore A, Milos G, Schnyder U, Hepp U |title=Finger length ratio (2D:4D) and dimensions of sexual orientation |journal=Neuropsychobiology |volume=53 |issue=4 |pages=210–4 |year=2006 |pmid=16874008 |doi=10.1159/000094730|last2=Noll |last3=Delsignore |last4=Milos |last5=Schnyder |last6=Hepp }}</ref><ref name = "Wallien et al. (2008)">{{Cite journal|author=Wallien MS, Zucker KJ, Steensma TD, Cohen-Kettenis PT |title=2D:4D finger-length ratios in children and adults with gender identity disorder |journal=Hormones and Behavior |volume=54 |issue=3 |pages=450–4 |date=august 2008 |pmid=18585715 |doi=10.1016/j.yhbeh.2008.05.002|last2=Zucker |last3=Steensma |last4=Cohen-Kettenis }}</ref><ref name = "Grimbos et al. (2010)">{{Cite journal|author=Grimbos T, Dawood K, Burriss RP, Zucker KJ, Puts DA |title=Sexual orientation and the second to fourth finger length ratio: a meta-analysis in men and women |url=https://archive.org/details/sim_behavioral-neuroscience_2010-04_124_2/page/278 |journal=Behav Neurosci |volume=124 |issue=2 |pages=278–287 |year=2010 |pmid=20364887 |doi=10.1037/a0018764 |last2=Dawood |last3=Burriss |last4=Zucker |last5=Puts }}</ref><ref name = "Hiraishi, K. (2012)">{{Cite journal|author=Hirashi K, Sasaki S, Shikishima C, Ando J |title=The second to fourth digit ratio (2D:4D) in a Japanese twin sample: heritability, prenatal hormone transfer, and association with sexual orientation |url=https://archive.org/details/sim_archives-of-sexual-behavior_2012-06_41_3/page/711 |journal=Arch Sex Behav |volume=41 |issue=3 |pages=711–24 |date=juni 2012 |pmid=22270254 |doi=10.1007/s10508-011-9889-z|last2=Sasaki |last3=Shikishima |last4=Ando }}</ref>
* [[Biseksualitet|Biseksuelle]] mænd har lavere fingerlængdeforhold end rent homoseksuelle mænd.<ref name=sj />
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* Seksuel præference for mere maskuline mænd blandt kvinder<ref name=Csatho2003>{{Cite journal|author=Csathó A, Osváth A, Bicsák E, Karádi K, Manning J, Kállai J |title=Sex role identity related to the ratio of second to fourth digit length in women |url=https://archive.org/details/sim_biological-psychology_2003-02_62_2/page/147 |journal=Biological Psychology |volume=62 |issue=2 |pages=147–56 |date=februar 2003 |pmid=12581689 |doi=10.1016/S0301-0511(02)00127-8|last2=Osváth |last3=Bicsák |last4=Karádi |last5=Manning |last6=Kállai }}</ref> og homoseksuelle mænd<ref>{{Cite journal|author=McIntyre MH |title=Digit ratios, childhood gender role behavior, and erotic role preferences of gay men |journal=Archives of Sexual Behavior |volume=32 |issue=6 |pages=495–6 |date=december 2003 |pmid=14627046 |doi=10.1023/A:1026054625638}}</ref> med højt fingerlængdeforhold.
* Lesbiske med højt fingerlængdeforhold er oftere [[butch/femme|femme]] og sjældnere [[butch/femme|butch]].<ref name="Tortorice, J.L. (2002)"/><ref>{{Cite journal |author=Brown WM, Finn CJ, Cooke BM, Breedlove SM |title=Differences in finger length ratios between self-identified 'butch' and 'femme' lesbians |journal=Archives of Sexual Behavior |volume=31 |issue=1 |pages=123–7 |date=februar 2002 |pmid=11910785 |doi=10.1023/A:1014091420590 |url=https://www.msu.edu/~breedsm/pdf/ButchFemme.pdf |last2=Finn |last3=Cooke |last4=Breedlove |access-date= 2. oktober 2017 |archive-date=14. december 2017 |archive-url=https://web.archive.org/web/20171214004130/https://msu.edu/~breedsm/pdf/ButchFemme.pdf |url-status=live }}</ref> Kvindelige tvillinger med forskellig seksuel orientering viser samme sammenhæng.<ref name = "Hall and Love (2003)"/><ref>{{Cite journal|author=Hiraishi K, Sasaki S, Shikishima C, Ando J. |title=The second to fourth digit ratio (2D:4D) in a Japanese twin sample: heritability, prenatal hormone transfer, and association with sexual orientation |url=https://archive.org/details/sim_archives-of-sexual-behavior_2012-06_41_3/page/711 |journal=Archives of Sexual Behavior |volume=41 |issue=3 |pages=711–24 |year=2012 |pmid=22270254 |doi=10.1007/s10508-011-9889-z |last2=Sasaki |last3=Shikishima |last4=Ando }}</ref> 
* Homoseksualitet blandt mænd ifølge nogle studier.<ref name = "McFadden and Shubel (2002)"/><ref name = "Hiraishi, K. (2012)"/><ref>{{cite journal | author = Churchchill AJG, Manning JT, Peters M | year = 2007 | title = The effects of sex, ethnicity, and sexual orientation on self-measured digit ratio (2D:4D) | url =https://archive.org/details/sim_archives-of-sexual-behavior_2007-04_36_2/page/251| journal = Archives of Sexual Behavior | volume = 36 | issue = 2| pages = 251–260 | doi=10.1007/s10508-006-9166-8 | pmid=17394056| last2 = Manning | last3 = Reimers }}</ref> Andre undersøgelser hævder det modsatte; nogle viser at fingerlængdeforholdet ikke spiller nogen rolle.<ref name = "Williams, T.J. et al. (2000)"/><ref name = "Kraemer et al. (2006)"/><ref name = "Wallien et al. (2008)"/><ref name = "Grimbos et al. (2010)"/><ref>{{cite web|last1=Yule MA, Brotto LA, Gorzalka BB.|title=Biological markers of asexuality: Handedness, birth order, and finger length ratios in self-identified asexual men and women.|year=2014|url=http://www.ncbi.nlm.nih.gov/pubmed/24045903|website=Arch Sex Behav.|access-date=2014|archive-date=30. september 2017|archive-url=https://web.archive.org/web/20170930021038/https://www.ncbi.nlm.nih.gov/pubmed/24045903|url-status=live}}</ref><ref name = "Rahman and Wilson (2003)" /><ref name = "Rahman, Q. (2005)" /><ref name=sj>{{Cite journal|author=S.J. Robinson, J.T. Manning |journal=Evolution and Human Behavior |title=The ratio of 2nd to 4th digit length and male homosexuality  |url=https://archive.org/details/sim_evolution-and-human-behavior_2000-09_21_5/page/333 |volume=21 |year=2000 |pages=333–345 |doi=10.1016/S1090-5138(00)00052-0 |pmid=11053694 |issue=5|last2=Manning }}</ref><ref name = "Voracek , Manning & Ponocny (2005)">{{Cite journal|author=M.V. Voracek, J.T. Manning & I. Ponocny|journal=Archives of Sexual Behavior|title=Digit ratio (2D:4D) in homosexual and heterosexual men from Austria|url=https://archive.org/details/sim_archives-of-sexual-behavior_2005-06_34_3/page/335|volume=34 |year=2005 |pages=335–340 |doi=10.1007/s10508-005-3122-x |pmid=15971016 |issue=3|last2=Manning|last3=Ponocny}}</ref><ref>{{Cite journal|author1=Teresa Grimbos|author2=[[Kenneth Zucker]]|author3=Khytam Dawood|author4=Robert P. Burriss|journal=Behavioral Neuroscience|title=Sexual Orientation and the Second to Fourth Finger Length Ratio: A Meta-Analysis in Men and Women|volume=124|year=2010|issue=2|pages=278 –287|doi=10.1037/a0018764|url=http://www.adhdld.com/pdfs/Grimbos_et_al2010.pdf|pmid=20364887|access-date= 2. oktober 2017|archive-date=27. august 2018|archive-url=https://web.archive.org/web/20180827063549/http://www.adhdld.com/pdfs/Grimbos_et_al2010.pdf|url-status=live}}</ref>
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Naturvidenskab