Emil O. W. Kirkegaard

Research Topics

Publications (163)

• Left-wing ideology, mental health and body modifications peer reviewed
  Hu, M., Kirkegaard, E. O. W. · Journal of Open Inquiry in the Behavioral Sciences · 2026-01-01 politics, mental health, body modifications, tattoos, piercings
• Regional Migration Patterns and Educational Outcomes in Italy: A Surname-based Analysis of Historical Population Movements peer reviewed
  Davide Piffer, Daniel Van Pelt, Emil Kirkegaard · Comparative Sociology · 2025-12-19 migration, education, italy, surnames, population movements, regions
• National IQs: measurement and defense peer reviewed
  Seb Jensen, Emil Kirkegaard · OpenPsych · 2025-11-17 intelligence, cross-national, psychometrics
• Black-White differences in an English vocabulary test using an online Prolific sample peer reviewed
  Emil Kirkegaard, Meng Hu · OpenPsych · 2025-10-10 race, intelligence, vocabulary
• International meta-analysis of differential fertility for intelligence peer reviewed
  Seb Jensen, Bryan Pesta, Emil Kirkegaard · OpenPsych · 2025-08-06 intelligence, fertility, meta-analysis
• Psychometric Analysis of the Multifactor General Knowledge Test peer reviewed
  Emil Kirkegaard, Seb Jensen · OpenPsych · 2025-07-28 psychometrics, intelligence
• Stereotypes of the Intelligence of Nations peer reviewed
  Seb Jensen, Emil Kirkegaard · Comparative Sociology · 2025-04-23 intelligence, stereotype accuracy
• Does intelligence have nonlinear effects on political opinions? peer reviewed
  Emil Kirkegaard · OpenPsych · 2025-03-24 intelligence, politics
• The Relationship between Intelligence and Ideological Views peer reviewed
  Emil Kirkegaard, Seb Jensen · Mankind Quarterly · 2025-03-01 intelligence, politics
• Do You Like Dogs, Cats, Both, or Neither? An Examination of Western Dating Site Users peer reviewed
  Emil Kirkegaard · Mankind Quarterly · 2025-03-01 pets, dogs, cats, dating sites, personality, preferences
• Polygenic Selection and Environmental Influence on Adult Body Height: Genetic and Living Standard Contributions Across Diverse Populations peer reviewed
  Davide Piffer, Emil O. W. Kirkegaard · Twin Research and Human Genetics · 2024-12-06 polygenic scores, genetics, nutritional influence on growth
• A New, Open Source English Vocabulary Test peer reviewed
  Emil O. W. Kirkegaard, Meng Hu, Jurij Fedorov · Mankind Quarterly · 2024-12-01 vocabulary, psychometrics, prolific, online testing
• The Politics of the World Encyclopedia. A Study of Political Leanings of the Wikipedia User Base peer reviewed
  N. P. Cohen, Emil O. W. Kirkegaard · Mankind Quarterly · 2024-09-01 wikipedia, bias, politics
• Does Cognitive Ability Mediate Black-White Income Disparities in the USA? peer reviewed
  Simon Wright, Bryan Pesta, Emil O. W. Kirkegaard · Mankind Quarterly · 2024-09-01 race, socioeconomic, intelligence, discrimination, USA, psychometrics
• Predictive Accuracy of Polygenic Scores from European GWAS among Chinese Provinces peer reviewed
  Davide Piffer, Emil O. W. Kirkegaard · Mankind Quarterly · 2024-09-01 polygenic scores, education, intelligence, china
• Can Intelligence Be Predicted from the MMPI? An Out-of-Sample Validation Study peer reviewed
  Emil O. W. Kirkegaard · Mankind Quarterly · 2024-09-01 machine learning, personality, mental health, intelligence
• Do conservatives really have an advantage in mental health? An examination of measurement invariance peer reviewed
  Edward Dutton, Emil O. W. Kirkegaard · Scandinavian Journal of Psychology · 2024-08-24 mental health, politics
• Intelligence is associated with being non-binary and unusual sexuality: Rare sexual orientation, gender non-conformism and intelligence in a large dating sample peer reviewed
  Edward Dutton, Emil O. W. Kirkegaard · Psychreg · 2024-06-15 dating sites, sex differences, intelligence, machine learning
• International Cross-Temporal Meta-Analysis of Assortative Mating for Educational Attainment peer reviewed
  Sebastian Jensen · Evolutionary Psychology · 2024-06-03 assortative mating, education, individualism, culture, meta-analysis
• Is Research on the Genetics of Race / IQ Gaps “Mythically Taboo?” peer reviewed
  Pesta, Bryan J.; Kirkegaard, Emil O. W., Bronski, J. · OpenPsych · 2024-04-15 intelligence, genetics, taboos, mythical taboos
• Does Conservative Religiousness Promote Selection for Intelligence? An Analysis of the Vietnam Experience Study peer reviewed
  Edward Dutton, Emil O. W. Kirkegaard · Mankind Quarterly · 2024-04-01 vietnam experience study, intelligence, fertility
• Evolutionary Trends of Polygenic Scores in European Populations From the Paleolithic to Modern Times peer reviewed
  Davide Piffer, Emil O. W. Kirkegaard · Twin Research and Human Genetics · 2024-03-06 polygenic scores, intelligence, education, genetics, schizophrenia, neolithic revolution
• Diversity in STEM: Merit or Discrimination via Inaccurate Stereotype? peer reviewed
  Joseph Bronski, Emil O. W. Kirkegaard · OpenPsych · 2024-03-05 intelligence, sex differences, stereotype accuracy, brilliance
• Intelligence and Group Differences in Preference for Breasts over Buttocks peer reviewed
  George Francis, Emil O. W. Kirkegaard · Mankind Quarterly · 2023-12-01 sex differences, intelligence, life history, race
• Systemic Racism Does Not Explain Variation in Race Gaps on Cognitive Tests peer reviewed
  Emil O. W. Kirkegaard · Mankind Quarterly · 2023-12-01 systemic racism, institutional racism, intelligence, scholastic tests, stanford education data archive, implicit association test, politics, race
• Race and Sex Differences in Science Knowledge: Results from Pew Research Science Surveys peer reviewed
  Emil O. W. Kirkegaard · Mankind Quarterly · 2023-12-01 science knowledge, psychometrics, sex differences, race
• Intelligence and Anti-Natalist Intentions on Dating Sites: An Analysis of the OKCupid Dataset peer reviewed
  Emil O. W. Kirkegaard, Edward Dutton · In book: Intelligence, Race, and Sex: tribute to Helmuth Nyborg at 85 · 2023-09-01 intelligence, anti-natalism, fertility, dating sites, childfree
• Income and Education Disparities Track Genetic Ancestry peer reviewed
  Meng Hu, Emil O. W. Kirkegaard, John Fuerst · OpenPsych · 2023-09-01 race, socioeconomic, education, structural racism, genetics
• Intelligence Trends in Ancient Rome: The Rise and Fall of Roman Polygenic Scores peer reviewed
  Davide Piffer, Edward Dutton, Emil O. W. Kirkegaard · OpenPsych · 2023-07-21 genetics, polygenic scores, roman empire, civilization cycles, rome, ancient rome, cold winters theory
• Honesty, Intelligence, and Race peer reviewed
  Sebastian Jensen, Emil O. W. Kirkegaard · OpenPsych · 2023-07-17 intelligence, race, honesty
• A Genetic Hypothesis for American Race/Ethnic Differences in Mean g: A Reply to Warne (2021) with Fifteen New Empirical Tests Using the ABCD Dataset peer reviewed
  John G.R. Fuerst, Vladimir Shibaev, Emil O. W. Kirkegaard · Mankind Quarterly · 2023-06-20 intelligence, genetics, polygenic scores, sire
• Racial Differences in Sexuality: A Sex Worker Survey peer reviewed
  George Francis, Emil O. W. Kirkegaard · Mankind Quarterly · 2023-06-20 dating sites, race, sex workers, stereotype accuracy
• Prison Populations: The International Mystery peer reviewed
  Simon Wright, Emil O. W. Kirkegaard · Mankind Quarterly · 2023-06-20 crime, intelligence, gdp, racial diversity, socioeconomic, police effectiveness
• Gentle-men prefer faces: Intelligence, life history strategy, and sexual preference for attractive faces over attractive breasts, buttocks, and legs peer reviewed
  Edward Dutton; Emil O. W. Kirkegaard · Psychreg · 2023-06-09 attractiveness, race
• Intelligence Inequality and Income Inequality: The Missing Link peer reviewed
  Simon Wright, Emil O. W. Kirkegaard · Comparative Sociology · 2023-04-19 socioeconomic, intelligence
• On group differences in the heritability of intelligence: A reply to Giangrande and Turkheimer (2022) peer reviewed
  Bryan J. Pesta, Jan te Nijenhuis, Jordan Lasker, Emil O. W. Kirkegaard, John G.R. Fuerst · Intelligence · 2023-03-08 genetics, intelligence, socioeconomic, race
• A Multimodal MRI-based Predictor of Intelligence and Its Relation to Race/Ethnicity peer reviewed
  Emil O. W. Kirkegaard, John Fuerst · Mankind Quarterly · 2023-03-01 machine learning, race, intelligence
• Intelligence Really Does Predict Job Performance: A Long-Needed Reply to Richardson and Norgate peer reviewed
  Peter Zimmer, Emil O. W. Kirkegaard · OpenPsych · 2023-02-12 intelligence, job performance, meta-analysis, psychometrics, industrial-organizational psychology
• Mathematical Ability of Norwegian Immigrants Is Predictable from Country of Origin peer reviewed
  Emil O. W. Kirkegaard · Mankind Quarterly · 2023-01-01 mathematics, immigration, scandinavia, intelligence, socioeconomic
• Stability of Italian Regional Intelligence Differences for 150 Years peer reviewed
  Emil O. W. Kirkegaard, Davide Piffer · Mankind Quarterly · 2022-12-15 age heaping, intelligence, italy, 19th century
• Smart Fraction Theory: A Comprehensive Re-evaluation peer reviewed
  Emil O. W. Kirkegaard, Noah Carl · Comparative Sociology · 2022-12-15 intelligence, smart fraction theory, intellectual class, socioeconomic
• The Intelligence Gap between Black and White Survey Workers on the Prolific Platform peer reviewed
  Emil O. W. Kirkegaard · Mankind Quarterly · 2022-09-01 race, intelligence, psychometrics, survey, questionnaire, prolific
• National Intelligence and Economic Growth: A Bayesian Update peer reviewed
  George Francis; Emil O. W. Kirkegaard · Mankind Quarterly · 2022-09-01 human capital, intelligence, economic growth, machine learning, smart fraction
• Will Intelligent Latter-day Saints and Smart Conservatives Inherit the Earth? Differential Selection for Intelligence in the USA Based on Religiosity and Conservatism peer reviewed
  Emil O. W. Kirkegaard; Edward Dutton · Evolutionary Psychological Science · 2022-06-02 religion, pro-natalism, fertility, politics
• Blue Hair and the Blues: Dying Your Hair Unnatural Colours is Associated with Depression peer reviewed
  Edward Dutton; Emil O. W. Kirkegaard · Psychreg · 2022-06-01 culture, identity, mental health, politics, religion
• Admixture and Social Status in Chile peer reviewed
  Emil O. W. Kirkegaard · Mankind Quarterly · 2022-06-01 mapuche, aymara, socioeconomic, genetics
• No Fair Sex in Academia: Evidence of Discrimination in Hiring to Editorial Boards peer reviewed
  George Francis; Emil O. W. Kirkegaard · OpenPsych · 2022-05-19 sex differences, discrimination, academia
• Europeans Have Larger Testes than Sub-Saharan Africans but Lower Testosterone Levels peer reviewed
  Edward Dutton; Helmuth S. Nyborg, Emil O. W. Kirkegaard · Mankind Quarterly · 2022-03-01 race
• Genetic ancestry and social race are nearly interchangeable peer reviewed
  Emil O. W. Kirkegaard · OpenPsych · 2021-12-22 race, genetics, proxy
• More Research Needed: There is a Robust Causal vs. Confounding Problem for Intelligence-associated Polygenic Scores in Context to Admixed American Populations peer reviewed
  John G.R. Fuerst, Emil O. W. Kirkegaard and Davide Piffer · Mankind Quarterly · 2021-09-01 education, intelligence, polygenic scores, race, USA
• Looking for evidence of the Dunning-Kruger effect: an analysis of 2400 online test takers peer reviewed
  Emil O. W. Kirkegaard, Arjen Gerritsen · OpenPsych · 2021-08-29 intelligence, regression towards the mean, self-perception, dunning-kruger effect
• The overlapping geography of cognitive ability and chronotype peer reviewed
  Péter Przemyslaw Ujma, Emil O. W. Kirkegaard · PsyCh Journal · 2021-08-22 chronotype, circadian preference, intelligence, geography
• The left-liberal skew of Western media peer reviewed
  Emil O. W. Kirkegaard, Jonatan Pallesen, Emil Elgaard, Noah Carl · Journal of Psychological Research · 2021-07-28 media, politics, cross-national, survey, poll
• The Negative Religiousness-IQ Nexus is a Jensen Effect on Individual-Level Data: A Refutation of Dutton et al.’s ‘The Myth of the Stupid Believer’ peer reviewed
  Edward Dutton, Emil O. W. Kirkegaard · Journal of Religion and Health · 2021-07-26 religion, intelligence, psychometrics
• An examination of the openpsychometrics.org vocabulary test peer reviewed
  Emil O. W. Kirkegaard · OpenPsych · 2021-07-05 intelligence, psychometrics, sex differences, jensen’s method, openpsychometrics.org, online testing, vocabulary
• A study of stereotype accuracy in the Netherlands: immigrant crime, occupational sex distribution, and provincial income inequality peer reviewed
  Emil O. W. Kirkegaard, Arjen Gerritsen · OpenPsych · 2021-06-14 intelligence, stereotype accuracy, immigration, socioeconomic, netherlands, religion, preregistered, vocabulary, science knowledge, regions, sex differences
• Intelligence and General Psychopathology in the Vietnam Experience Study: A Closer Look peer reviewed
  Emil O. W. Kirkegaard, Helmuth Nyborg · Mankind Quarterly · 2021-06-02 vietnam experience study, mmpi, mental health, intelligence, machine learning, crud factor
• Are there Complex Assortative Mating Patterns for Humans? Analysis of 340 Spanish Couples peer reviewed
  Emil O. W. Kirkegaard · Mankind Quarterly · 2021-03-17 assortative mating, mate similarity, nonlinear, trade-off, human, cross-trait association
• Country of Origin IQ and Muslim Percentage Predict Grade Point Average in School among 116 Immigrant Groups in Denmark peer reviewed
  Emil O. W. Kirkegaard, Jurij Fedorov · Mankind Quarterly · 2021-03-15 denmark, intelligence, religion, education, immigration, brain drain
• County-level USA: No Robust Relationship between Geoclimatic Variables and Cognitive Ability peer reviewed
  Bryan Pesta, John Fuerst, Emil O. W. Kirkegaard · Journal of Geographical Research · 2021-02-07 intelligence, ultraviolet radiation, climate
• What Happened to Brussels? The Big Decline and Muslim Immigration peer reviewed
  Emil O. W. Kirkegaard, Baptiste Dumoulin · Mankind Quarterly · 2020-12-01 belgium, brussels, socioeconomic, immigration, religion, crime, spatial autocorrelation, intelligence
• National Intelligence Is More Important for Explaining Country Well-Being than Time Preference and Other Measured Non-Cognitive Traits peer reviewed
  Emil O. W. Kirkegaard, Anatoly Karlin · Mankind Quarterly · 2020-12-01 intelligence, time preference, patience, trust, social progress index, human development index, non-cognitive traits
• Is Gout Related to Achievement? Testing the Uric Acid Hypothesis in the Vietnam Experience Project peer reviewed
  Emil O. W. Kirkegaard; Helmuth Nyborg · Mankind Quarterly · 2020-09-01 gout, socioeconomic, education, vietnam experience study
• Mental illness and the left peer reviewed
  Emil O. W. Kirkegaard · Mankind Quarterly · 2020-05-01 mental health, happiness, life satisfaction, politics
• Pupil Size and Intelligence: A Large-Scale Replication Study peer reviewed
  Emil O. W. Kirkegaard; Helmuth Nyborg · Mankind Quarterly · 2020-05-01 intelligence, evolution, replication
• Predicting a Pandemic: testing crowd wisdom and expert forecasting amidst the novel COVID-19 outbreak
  Emil O. W. Kirkegaard, Wael Taji, Arjen Gerritsen · Psyarxiv · 2020-04-05 covid-19, science knowledge, forecasting, wisdom of the crowd
• Are Danes’ Immigration Policy Preferences Based on Accurate Stereotypes? peer reviewed
  Emil O. W. Kirkegaard, Noah Carl, Julius Daugbjerg Bjerrekær · Societies · 2020-03-26 stereotype accuracy, immigration, denmark
• Public Preferences and Reality: Crime Rates among 70 Immigrant Groups in the Netherlands peer reviewed
  Emil O. W. Kirkegaard, Max De Kuijper · Mankind Quarterly · 2020-03-01 immigration, crime, netherlands, stereotype accuracy
• Human Biodiversity for Beginners: A Review of Charles Murray's Human Diversity peer reviewed
  Emil O. W. Kirkegaard · Mankind Quarterly · 2020-03-01 sex differences, race, social class, personality, intelligence
• Latent variable moderation of the negative fertility-item pass rate association in two, large datasets: An item response theory analysis.
  Michael Anthony Woodley of Menie; Emil O. W. Kirkegaard; Gerhard Meisenberg · ResearchGate · 2020-03-01 difficulties, psychometrics, vocabulary factor loadings, selection
• Intelligence and Religiosity among Dating Site Users peer reviewed
  Emil O. W. Kirkegaard, Jordan Lasker · Psych · 2019-12-23 intelligence, religion, dating sites
• Race Differences: A Very Brief Review peer reviewed
  Emil O. W. Kirkegaard · Mankind Quarterly · 2019-12-01 intelligence, race, review
• Smart and Poor, or Rich and Dull? A U.S. County-Level Analysis of the Relationship between IQ and Presidential-Election Voting Behavior peer reviewed
  Emil O. W. Kirkegaard, Bryan J. Pesta · Mankind Quarterly · 2019-12-01 intelligence, politics, USA, socioeconomic
• Racial and ethnic group differences in the heritability of intelligence: A systematic review and meta-analysis peer reviewed
  Bryan J. Pesta, Emil O. W. Kirkegaard, Jan te Nijenhuis, Jordan Lasker, John G. R. Fuerst · Intelligence · 2019-11-28 intelligence, genetics, race, meta-analysis
• Global Ancestry and Cognitive Ability peer reviewed
  Jordan Lasker, Bryan J. Pesta, John G. R. Fuerst, Emil O. W. Kirkegaard · Psych · 2019-08-28 intelligence, genetics
• Solid Numbers, Missed Opportunities: Review of The Intelligence of Nations, by Richard Lynnand David Becker peer reviewed
  Emil O. W. Kirkegaard · Evolutionary Behavioral Sciences · 2019-08-15 intelligence, book review, richard lynn
• Machine learning psychometrics: Improved cognitive ability validity from supervised training on item level data peer reviewed
  Andrew Cutler, Shane McLoughlin, Curtis Dunkel, Emil O. W. Kirkegaard · ISIR conference 2019 (Minneapolis) · 2019-07-12 intelligence, machine learning, psychometrics
• First Names, Cognitive Ability and Social Status in Denmark peer reviewed
  Emil O. W. Kirkegaard · Mankind Quarterly · 2019-06-20 intelligence, socioeconomic, denmark
• Åbne data og metoder
  Emil O. W. Kirkegaard · Dansk Psykolog Forening: selskab for metodologi · 2019-05-27 open science, denmark
• Filling in the Gaps: The Association between Intelligence and Both Color and Parent-Reported Ancestry in the National Longitudinal Survey of Youth 1997 peer reviewed
  Meng Hu, Jordan Lasker, Emil O. W. Kirkegaard, John Fuerst · Psych · 2019-05-22 intelligence, race, genetics, nlsy97
• Genetically-measured European Ancestry: Predicting the IQs of Participants in the Philadelphia Neurodevelopmental Cohort Study peer reviewed
  Emil O. W. Kirkegaard, Jordan Lasker, John G. R. Fuerst, Bryan J. Pesta · London Conference of Intelligence 2019 · 2019-05-15 intelligence, genetics, european, USA
• The Intelligence of Biracial Children of U.S. Servicemen in Northeast Asia: Results from Japan peer reviewed
  Emil O. W. Kirkegaard, Jordan Lasker, Kenya Kura · Psych · 2019-04-24 intelligence, race, japan, servicemen
• Is National Mental Sport Ability a Sign of Intelligence? An Analysis of the Top Players of 12 Mental Sports peer reviewed
  Emil O. W. Kirkegaard · Mankind Quarterly · 2019-03-15 intelligence, chess, go
• The Effect of Biracial Status and Color on Crystallized Intelligence in the U.S.-Born African-European American Population peer reviewed
  John Fuerst, Richard Lynn, Emil O. W. Kirkegaard · Psych · 2019-03-07 intelligence, race
• Polygenic Scores Mediate the Jewish Phenotypic Advantage in Educational Attainment and Cognitive Ability Compared With Catholics and Lutherans peer reviewed
  Curtis Dunkel, Michael A. Woodley of Menie, Jonatan Pallesen, Emil O. W. Kirkegaard · Evolutionary Behavioral Sciences · 2019-01-24 intelligence, polygenic scores, education, religion, race
• Does intelligence explain national score variance on graduate admissions exams? peer reviewed
  Bryan J. Pesta, John Fuerst, Emil O. W. Kirkegaard, Brent Papaleo · Intelligence · 2019-01-22 intelligence, graduate admissions, gre, gmat, test scores
• Biogeographic Ancestry, Cognitive Ability and Socioeconomic Outcomes peer reviewed
  Emil O. W. Kirkegaard, Michael A. Woodley of Menie, Robert L. Williams, John Fuerst, Gerhard Meisenberg · Psych · 2019-01-10 genetics, intelligence, socioeconomic
• Linguistic features in names and social status: an exploratory study of 1,890 Danish first names peer reviewed
  Emil O. W. Kirkegaard · Open Differential Psychology · 2018-12-12 socioeconomic, linguistics, denmark
• Sex Differences in 32,347 Jordanian 4th Graders on the National Exam of Mathematics peer reviewed
  Ismael S Al-Bursan, Emil O. W. Kirkegaard, John Fuerst, Salaheldin Farah, Salaheldin Farah Attallah Bakhiet, Mohammad F Al Qudah, Elsayed Mohammed Abu, Hashem Hassan, Adel Abduljabbar · Journal of Individual Differences · 2018-11-26 sex differences, mathematics, jordan, education, grade 4
• Editorial: A Response to Criticisms of the OpenPsych Journals peer reviewed
  Noah Carl, Emil O. W. Kirkegaard, Marc Dalliard, Peter Frost, Kenya Kura, Gerhard Meisenberg, Bryan J. Pesta, Heiner Rindermann, Robert L. Williams · Open Differential Psychology · 2018-11-02 open science, psychometrics
• Bibliometric Keyword Analysis across Seventeen Years (2000–2016) of Intelligence Articles peer reviewed
  Bryan J. Pesta, John Fuerst, Emil O. W. Kirkegaard · Journal of Intelligence · 2018-10-17 intelligence, bibliometrics, keyword analysis, research trends, scientometrics
• Is national mental sport ability a sign of intelligence? An analysis of the top players of 12 mental sports peer reviewed
  Emil O. W. Kirkegaard · ISIR conference 2018 (Edinburgh) · 2018-07-14 intelligence, chess
• An S Factor Analysis on the Provinces of Vietnam: Relationships with Cognitive Ability, Ethnicity, and Latitude peer reviewed
  Emil O. W. Kirkegaard, Bryan J. Pesta · Mankind Quarterly · 2018-06-10 intelligence, socioeconomic, vietnam, regions, race, latitude
• The left-liberal skew of Western media peer reviewed
  Emil O. W. Kirkegaard, Noah Carl et al · London Conference of Intelligence 2018 · 2018-05-12 media, politics
• Understanding admixture analysis peer reviewed
  Emil O. W. Kirkegaard, John Fuerst · London Conference of Intelligence 2018 · 2018-05-12 genetics, methodology
• Are immigration policy preferences based on accurate stereotypes? peer reviewed
  Emil O. W. Kirkegaard, Noah Carl, Julius Daugbjerg Bjerrekær · London Conference of Intelligence 2018 · 2018-05-12 immigration, stereotype accuracy, policy preferences, attitudes
• Regional differences in intelligence in 22 countries and their economic, social and demographic correlates: A review peer reviewed
  Richard Lynn, John Fuerst, Emil O. W. Kirkegaard · Intelligence · 2018-04-23 intelligence, regions, socioeconomic, review
• Self-reported criminal and anti-social behavior on a dating site: the importance of cognitive ability peer reviewed
  Emil O. W. Kirkegaard · Open Differential Psychology · 2018-01-10 crime, dating sites, intelligence
• Employment Rates for 11 Country of Origin Groups in Scandinavia peer reviewed
  Emil O. W. Kirkegaard · Mankind Quarterly · 2017-12-01 employment, immigration, scandinavia
• Sex Distribution, Life Expectancy and Educational Attainment of Comedians peer reviewed
  Emil O. W. Kirkegaard · Mankind Quarterly · 2017-10-01 comedians, sex differences, life expectancy, education, humor
• Genomic ancestry, cognitive ability, and socioeconomic status peer reviewed
  Emil O. W. Kirkegaard, John Fuerst · ISIR conference 2017 (Montreal) · 2017-07-16 genetics, intelligence, socioeconomic
• Admixture in Argentina peer reviewed
  Emil O. W. Kirkegaard, John Fuerst · Mankind Quarterly · 2017-06-12 genetics, argentina, race, socioeconomic
• Net fiscal contributions of immigrant groups in Denmark and Finland are highly predictable from country of origin IQ and Muslim% peer reviewed
  Emil O. W. Kirkegaard · Open Quantitative Sociology & Political Science · 2017-05-21 immigration, socioeconomic, denmark, scandinavia, religion
• Differential immigrant group performance: A matter of intelligence? peer reviewed
  Emil O. W. Kirkegaard · London Conference of Intelligence 2017 · 2017-05-13 immigration, intelligence, race
• Biogeographic Ancestry and Socioeconomic Outcomes in the Americas: A Meta-Analysis peer reviewed
  Emil O. W. Kirkegaard, Mingrui Wang, John Fuerst · Mankind Quarterly · 2017-04-08 genetics, americas, socioeconomic, meta-analysis, intelligence
• Cognitive ability and political preferences in Denmark peer reviewed
  Emil O. W. Kirkegaard, Julius D. Bjerrekær, Noah Carl · Open Quantitative Sociology & Political Science · 2017-02-22 intelligence, politics, denmark
• Immigrant crime in Germany 2012-2015 peer reviewed
  Emil O. W. Kirkegaard, David Becker · Open Quantitative Sociology & Political Science · 2017-02-11 crime, immigration, germany
• Country of origin and use of social benefits: A large, preregistered study of stereotype accuracy in Denmark peer reviewed
  Emil O. W. Kirkegaard, Julius D. Bjerrekær · Open Differential Psychology · 2016-11-11 stereotype accuracy, immigration, denmark
• Some new methods for exploratory factor analysis of socioeconomic data peer reviewed
  Emil O. W. Kirkegaard · Open Quantitative Sociology & Political Science · 2016-11-07 psychometrics, socioeconomic
• The OKCupid dataset: A very large public dataset of dating site users peer reviewed
  Emil O. W. Kirkegaard, Julius D. Bjerrekær · Open Differential Psychology · 2016-11-03 dating sites, data, intelligence
• Does sub-European genomic ancestry predict outcomes for US states? peer reviewed
  Emil O. W. Kirkegaard · Open Quantitative Sociology & Political Science · 2016-09-12 genetics, race, socioeconomic
• The OKCupid dataset: a very large open dataset of dating site users peer reviewed
  Emil O. W. Kirkegaard, Julius D. Bjerrekær · ISIR conference 2016 (Saint Petersburg) · 2016-07-15 dating sites, open science, big data, personality, demographics
• ICAR5: design and validation of a 5-item public domain cognitive ability test peer reviewed
  Emil O. W. Kirkegaard, Julius D. Bjerrekær · Open Differential Psychology · 2016-07-11 psychometrics, intelligence, online testing
• The general socioeconomic factor among Colombian departments
  Emil O. W. Kirkegaard · The Winnower · 2016-06-16 intelligence, socioeconomic, colombia, regions
• Inequality in the United States: Ethnicity, Racial Admixtureand Environmental Causes peer reviewed
  Emil O. W. Kirkegaard, John Fuerst · Mankind Quarterly · 2016-06-11 intelligence, socioeconomic, USA, race, genetics, environmental causes
• Inequality across US counties: an S factor analysis peer reviewed
  Emil O. W. Kirkegaard · Open Quantitative Sociology & Political Science · 2016-05-23 socioeconomic
• Biogeographic Ancestry and Socioeconomic Outcomes in the Americas: a Meta-analysis peer reviewed
  Emil O. W. Kirkegaard, Mingrui Wang, John Fuerst · London Conference of Intelligence 2016 · 2016-05-14 genetics, americas, socioeconomic, meta-analysis
• Country of origin and use of social benefits: A pilot study of stereotype accuracy in Denmark peer reviewed
  Emil O. W. Kirkegaard, Julius D. Bjerrekær · Open Differential Psychology · 2016-04-18 stereotype accuracy, immigration, denmark
• Inequality across prefectures in Japan: An S factor analysis peer reviewed
  Emil O. W. Kirkegaard · Open Quantitative Sociology & Political Science · 2016-04-06 socioeconomic, intelligence, japan
• Admixture in the Americas: Regional and National Differences peer reviewed
  John Fuerst, Emil O. W. Kirkegaard · Mankind Quarterly · 2016-03-14 genetics, americas, race, regions, cross-national
• The Genealogy of Differences in the Americas peer reviewed
  John Fuerst, Emil O. W. Kirkegaard · Mankind Quarterly · 2016-03-14 genetics, americas, genealogy, race
• Inequality among 32 London Boroughs: An S factor analysis peer reviewed
  Emil O. W. Kirkegaard · Open Quantitative Sociology & Political Science · 2016-01-26 socioeconomic, UK
• IQ and Socioeconomic Variables in French Departements: Reanalysis and New Data peer reviewed
  Emil O. W. Kirkegaard · Mankind Quarterly · 2015-12-01 intelligence, socioeconomic, france, regions
• Some methods for measuring and correcting for spatial autocorrelation
  Emil O. W. Kirkegaard · The Winnower · 2015-10-20 spatial autocorrelation, open science, statistics, spatial statistics
• Crime among Dutch immigrant groups is predictable from country-level variables peer reviewed
  Emil O. W. Kirkegaard · Open Differential Psychology · 2015-10-03 crime, immigration, netherlands
• Polygenic scores, genetic engineering, validity of GWAS results across major racial groups and the Piffer method
  Emil O. W. Kirkegaard · The Winnower · 2015-09-30 polygenic scores, genetic engineering, genetics, racial groups, intelligence
• Validating a Danish translation of the International Cognitive Ability Resource sample test and Cognitive Reflection Test in a student sample peer reviewed
  Emil O. W. Kirkegaard Oliver Nordbjerg · Open Differential Psychology · 2015-07-31 psychometrics, intelligence, denmark
• IQ and socioeconomic development across Regions of the UK: a reanalysis
  Emil O. W. Kirkegaard · The Winnower · 2015-06-26 intelligence, socioeconomic, UK, regions, reanalysis
• A replication of the S factor among US states
  Emil O. W. Kirkegaard · The Winnower · 2015-06-25 intelligence, socioeconomic, USA, replication
• Immigrant GPA in Danish primary school is predictable from country-level variables peer reviewed
  Emil O. W. Kirkegaard · Open Differential Psychology · 2015-06-04 immigration, education, intelligence, denmark
• What is a good name? The S factor in Denmark at the name-level
  Emil O. W. Kirkegaard, Bo Tranberg · The Winnower · 2015-06-03 intelligence, socioeconomic, denmark
• An S factor among census tracts of Boston
  Emil O. W. Kirkegaard · The Winnower · 2015-05-29 intelligence, socioeconomic, USA, regions
• Why do persons from higher mean IQ populations do better even after selection?
  Emil O. W. Kirkegaard · The Winnower · 2015-05-12 intelligence, selection, race, regression to the mean
• Admixture in the Americas: Can racial ancestry predict cognitive ability and socioeconomic outcomes? peer reviewed
  Emil O. W. Kirkegaard, John Fuerst · London Conference of Intelligence 2015 · 2015-05-09 genetics, americas, race, intelligence, socioeconomic
• The S factor in Brazilian states
  Emil O. W. Kirkegaard · The Winnower · 2015-04-30 intelligence, socioeconomic, brazil
• Finding mixed cases in exploratory factor analysis
  Emil O. W. Kirkegaard · The Winnower · 2015-04-29 exploratory factor analysis, open science, statistics, mixed cases
• Examining the S factor in Mexican states
  Emil O. W. Kirkegaard · The Winnower · 2015-04-19 intelligence, socioeconomic, mexico
• The S factor in the British Isles: A reanalysis of Lynn (1979)
  Emil O. W. Kirkegaard · The Winnower · 2015-03-28 intelligence, socioeconomic, UK, reanalysis
• Spearman's hypothesis on item-level data from Raven's Standard Progressive Matrices: A replication and extension
  Emil O. W. Kirkegaard · The Winnower · 2015-03-23 intelligence, psychometrics, replication
• Indian states: G and S factors
  Emil O. W. Kirkegaard · The Winnower · 2015-03-18 intelligence, socioeconomic, india
• International differences in intelligence can be confusing: A commentary on Harrison et al (2015)
  Emil O. W. Kirkegaard · The Winnower · 2015-03-18 intelligence, cross-national, commentary
• Opinions about nuclear energy and global warming, and wordsum intelligence
  Emil O. W. Kirkegaard · The Winnower · 2015-03-15 intelligence, nuclear energy, global warming, opinions, wordsum, vocabulary, public opinion
• Automatic testing of all possible multiple regression models given a set of predictors
  Emil O. W. Kirkegaard · The Winnower · 2015-03-12 multiple regression, open science, statistics, model selection, predictors
• Examining the S factor in US states
  Emil O. W. Kirkegaard · The Winnower · 2015-03-11 intelligence, socioeconomic, USA
• Strong negative relationship between population-level general intelligence and ADHD genetic factors inferred from allele frequencies
  Emil O. W. Kirkegaard · The Winnower · 2015-03-11 intelligence, adhd, genetics, allele frequencies, race, polygenic scores
• S and G in Italian regions: Re-analysis of Lynn's data and new data
  Emil O. W. Kirkegaard · The Winnower · 2015-03-05 intelligence, socioeconomic, italy, regions
• The S factor in China
  Emil O. W. Kirkegaard · The Winnower · 2015-03-05 intelligence, socioeconomic, china
• Increasing inequality in general intelligence and socioeconomic status as a result of immigration in Denmark 1980-2014 peer reviewed
  Emil O. W. Kirkegaard, Bo Tranberg · Open Differential Psychology · 2015-03-04 socioeconomic, immigration, intelligence, denmark
• Fluid g in Scandinavia and Finland: Comparing results from PISA Creative Problem Solving and the WAIS IV matrices subtest peer reviewed
  Edward Dutton, Emil O. W. Kirkegaard · Open Differential Psychology · 2014-11-18 intelligence, psychometrics, scandinavia
• The personal Jensen coefficient does not predict grades beyond its association with g peer reviewed
  Emil O. W. Kirkegaard · Open Differential Psychology · 2014-10-30 psychometrics, intelligence
• Crime, income, educational attainment and employment among immigrant groups in Norway and Finland peer reviewed
  Emil O. W. Kirkegaard · Open Differential Psychology · 2014-10-09 crime, immigration, scandinavia
• The international general socioeconomic factor: Factor analyzing international rankings peer reviewed
  Emil O. W. Kirkegaard · Open Differential Psychology · 2014-09-08 socioeconomic, cross-national
• Are Headstart gains on the g factor?: A meta-analysis peer reviewed
  Jan te Nijenhuis, Birthe Jongeneel-Grimen and Emil O. W. Kirkegaard · Intelligence · 2014-07-01 intelligence, head start, meta-analysis
• Educational attainment, income, use of social benefits, crime rate and the general socioeconomic factor among 70 immigrant groups in Denmark. peer reviewed
  Emil O. W. Kirkegaard, John Fuerst · Open Differential Psychology · 2014-05-12 immigration, socioeconomic, denmark
• Which immigrant groups do well in Denmark and Norway and why? peer reviewed
  Emil O. W. Kirkegaard · London Conference of Intelligence 2014 · 2014-04-26 immigration, denmark, scandinavia, intelligence
• Semantic discussions of intelligence and the (un)importance of the study of race and g: A comment on Hunt and Jaeggi (2013) peer reviewed
  Emil O. W. Kirkegaard · Open Differential Psychology · 2014-04-17 intelligence, philosophy
• Do National IQs Predict U.S. Immigrant Cognitive Ability and Outcomes? An Analysis of the National Longitudinal Survey of Freshman peer reviewed
  John Fuerst, Emil O. W. Kirkegaard · Open Differential Psychology · 2014-04-12 intelligence, immigration
• The genetic correlation between educational attainment, intracranial volume and IQ is due to recent polygenic selection on general cognitive ability peer reviewed
  Davide Piffer, Emil O. W. Kirkegaard · Open Behavioral Genetics · 2014-04-12 genetics, polygenic scores, intelligence
• Criminality among Norwegian immigrant populations peer reviewed
  Emil O. W. Kirkegaard · Open Differential Psychology · 2014-04-04 crime, immigration, scandinavia
• Criminality and fertility among Danish immigrant populations peer reviewed
  Emil O. W. Kirkegaard · Open Differential Psychology · 2014-03-24 crime, immigration, fertility, denmark
• Predicting Immigrant IQ from their Countries of Origin, and Lynn's National IQs: A Case Study from Denmark peer reviewed
  Emil O. W. Kirkegaard · Mankind Quarterly · 2013-12-31 intelligence, immigration, denmark
• Omtale af ekstremisme i danske medier i årene 2003-2013: En kvatitativ analyse
  Emil O. W. Kirkegaard · None · 2013-10-26 extremism, denmark, quantitative analysis, media coverage
• Lyddansk
  Emil O. W. Kirkegaard · None · 2010-10-01 denmark, pronunciation, language learning, phonetics