Publications
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#publications
English blog
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https://emilkirkegaard.dk/en
Danish blog
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https://emilkirkegaard.dk/da
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https://twitter.com/KirkegaardEmil
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https://www.youtube.com/channel/UCbT_SxIN5oMSb7bjYkE8FpQ
Not related to Søren Kierkegaard
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https://emilkirkegaard.dk/en/?page_id=4726
this guy
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https://en.wikipedia.org/wiki/Harald_Rudyard_Engman
Youtube channel
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https://www.youtube.com/channel/UCbT_SxIN5oMSb7bjYkE8FpQ
ResearchGate
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https://www.researchgate.net/profile/Emil_O_W_Kirkegaard
Google Scholar
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http://scholar.google.dk/citations?user=VKUbfSIAAAAJ&hl=en
More Research Needed: There is a Robust Causal vs. Confounding Problem for Intelligence-associated Polygenic Scores in Context to Admixed American Populations
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https://mankindquarterly.org/archive/issue/62-1/10
Looking for evidence of the Dunning-Kruger effect: an analysis of 2400 online test takers
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https://www.researchgate.net/publication/354204772_Looking_for_evidence_of_the_Dunning-Kruger_effect_an_analysis_of_2400_online_test_takers
The overlapping geography of cognitive ability and chronotype
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https://www.researchgate.net/publication/354069543_The_overlapping_geography_of_cognitive_ability_and_chronotype
The left-liberal skew of Western media
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https://www.researchgate.net/publication/353756955_The_Left-liberal_Skew_of_Western_Media
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https://www.youtube.com/watch?v=BW3nrTfeOG8
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’
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https://www.researchgate.net/publication/353465907_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"
An examination of the openpsychometrics.org vocabulary test
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https://www.researchgate.net/publication/353001283_An_examination_of_the_openpsychometricsorg_vocabulary_test
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https://youtu.be/IzvyJwvSkFE
A study of stereotype accuracy in the Netherlands: immigrant crime, occupational sex distribution, and provincial income inequality
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https://www.researchgate.net/publication/352392839_A_study_of_stereotype_accuracy_in_the_Netherlands_immigrant_crime_occupational_sex_distribution_and_provincial_income_inequality
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https://www.youtube.com/watch?v=XIF_eoYRRYc
Intelligence and General Psychopathology in the Vietnam Experience Study: A Closer Look
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https://www.researchgate.net/publication/352043585_Intelligence_and_General_Psychopathology_in_the_Vietnam_Experience_Study_A_Closer_Look
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https://youtu.be/JsqpUSHCWAM
Are there Complex Assortative Mating Patterns for Humans? Analysis of 340 Spanish Couples
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https://www.researchgate.net/publication/350394153_Are_there_Complex_Assortative_Mating_Patterns_for_Humans_Analysis_of_340_Spanish_Couples
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https://www.youtube.com/watch?v=Dr4DxnnphvI
Country of Origin IQ and Muslim Percentage Predict Grade Point Average in School among 116 Immigrant Groups in Denmark
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https://www.researchgate.net/publication/350393113_Country_of_Origin_IQ_and_Muslim_Percentage_Predict_Grade_Point_Average_in_School_among_116_Immigrant_Groups_in_Denmark
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https://www.youtube.com/watch?v=XXO5HgVvpBE
County-level USA: No Robust Relationship between Geoclimatic Variables and Cognitive Ability
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https://www.researchgate.net/publication/349116141_County-level_USA_No_Robust_Relationship_between_Geoclimatic_Variables_and_Cognitive_Ability
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https://www.youtube.com/watch?v=SyrmOTGJJGU
What Happened to Brussels? The Big Decline and Muslim Immigration
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https://www.researchgate.net/publication/347564022_What_Happened_to_Brussels_The_Big_Decline_and_Muslim_Immigration
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https://www.youtube.com/watch?v=RhQcHIQGsJQ
National Intelligence Is More Important for Explaining Country Well-Being than Time Preference and Other Measured Non-Cognitive Traits
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https://www.researchgate.net/publication/347563852_National_Intelligence_Is_More_Important_for_Explaining_Country_Well-Being_than_Time_Preference_and_Other_Measured_Non-Cognitive_Traits
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https://www.youtube.com/watch?v=l5OjZ2BK99Q
Is Gout Related to Achievement? Testing the Uric Acid Hypothesis in the Vietnam Experience Project
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https://www.researchgate.net/publication/344501009_Is_Gout_Related_to_Achievement_Testing_the_Uric_Acid_Hypothesis_in_the_Vietnam_Experience_Project
Mental illness and the left
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https://www.researchgate.net/publication/341609819_Mental_Illness_and_the_Left
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https://www.youtube.com/watch?v=XXOLaFFfj4Y
Pupil Size and Intelligence: A Large-Scale Replication Study
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https://www.researchgate.net/publication/341609641_Pupil_Size_and_Intelligence_A_Large-Scale_Replication_Study
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https://www.youtube.com/watch?v=L7vx8G1q4_4
Predicting a Pandemic: testing crowd wisdom and expert forecasting amidst the novel COVID-19 outbreak
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https://psyarxiv.com/2d75g/
Are Danes’ Immigration Policy Preferences Based on Accurate Stereotypes?
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https://www.researchgate.net/publication/340324801_Are_Danes"_Immigration_Policy_Preferences_Based_on_Accurate_Stereotypes
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https://www.youtube.com/watch?v=8eUoMQq4YpA
Public Preferences and Reality: Crime Rates among 70 Immigrant Groups in the Netherlands
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https://www.researchgate.net/publication/339213786_Public_Preferences_and_Reality_Crime_Rates_among_70_Immigrant_Groups_in_the_Netherlands
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https://www.youtube.com/watch?v=RrYJWgFP2W8
Human Biodiversity for Beginners: A Review of Charles Murray"s Human Diversity
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https://www.researchgate.net/publication/339426524_Human_Biodiversity_for_Beginners_A_Review_of_Charles_Murray"s_Human_Diversity
Latent variable moderation of the negative fertility-item pass rate association in two, large datasets: An item response theory analysis.
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https://www.researchgate.net/publication/339629400_Latent_variable_moderation_of_the_negative_fertility-item_pass_rate_association_in_two_large_datasets_An_item_response_theory_analysis
Intelligence and Religiosity among Dating Site Users
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https://www.researchgate.net/publication/338125762_Intelligence_and_Religiosity_among_Dating_Site_Users
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https://www.youtube.com/watch?v=bhNZfRtCXCs
Race Differences: A Very Brief Review
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https://www.researchgate.net/publication/337429197_Race_Differences_A_Very_Brief_Review
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https://www.youtube.com/watch?v=R11h-OIhlz8
Smart and Poor, or Rich and Dull? A U.S. County-Level Analysis of the Relationship between IQ and Presidential-Election Voting Behavior
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https://www.researchgate.net/publication/337447370_Smart_and_Poor_or_Rich_and_Dull_A_US_County-Level_Analysis_of_the_Relationship_between_IQ_and_Presidential-_Election_Voting_Behavior
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https://www.youtube.com/watch?v=vSfzwGj7l5k
Racial and ethnic group differences in the heritability of intelligence: A systematic review and meta-analysis
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https://www.sciencedirect.com/science/article/pii/S0160289619301904
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https://www.youtube.com/watch?v=J94epkdB_i4
Global Ancestry and Cognitive Ability
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https://www.mdpi.com/2624-8611/1/1/34
Solid Numbers, Missed Opportunities: Review of The Intelligence of Nations, by Richard Lynnand David Becker
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https://www.gwern.net/docs/iq/2019-kirkegaard.pdf
Machine learning psychometrics: Improved cognitive ability validity from supervised training on item level data
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https://docs.google.com/presentation/d/1xxfYTWP2R0ZFvbI24sR1jVyFC_qN_Lw85782zE5Q2Jo/edit#slide=id.p
First Names, Cognitive Ability and Social Status in Denmark
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https://www.researchgate.net/publication/333904065_First_Names_Cognitive_Ability_and_Social_Status_in_Denmark
Åbne data og metoder
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https://docs.google.com/presentation/d/1utAdWPZWwGqMs_3ZMgZLsgjIqVHUd3JxSIQwrTrWw24/edit#slide=id.p
Filling in the Gaps: The Association between Intelligence and Both Color and Parent-Reported Ancestry in the National Longitudinal Survey of Youth 1997
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https://www.mdpi.com/2624-8611/1/1/17
Genetically-measured European Ancestry: Predicting the IQs of Participants in the Philadelphia Neurodevelopmental Cohort Study
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https://docs.google.com/presentation/d/17UnNy9x2WjLbEKnw3uAmRB5g5tgBSa-4ddl-NoKMdLc/edit#slide=id.p
The Intelligence of Biracial Children of U.S. Servicemen in Northeast Asia: Results from Japan
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https://www.mdpi.com/2624-8611/1/1/10
Is National Mental Sport Ability a Sign of Intelligence? An Analysis of the Top Players of 12 Mental Sports
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https://www.researchgate.net/publication/331859319_Is_National_Mental_Sport_Ability_a_Sign_of_Intelligence_An_Analysis_of_the_Top_Players_of_12_Mental_Sports
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https://www.youtube.com/watch?v=FAWpM1eixHc
The Effect of Biracial Status and Color on Crystallized Intelligence in the U.S.-Born African-European American Population
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https://www.mdpi.com/2624-8611/1/1/4
Polygenic Scores Mediate the Jewish Phenotypic Advantage in Educational Attainment and Cognitive Ability Compared With Catholics and Lutherans
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https://www.researchgate.net/publication/330601752_Polygenic_Scores_Mediate_the_Jewish_Phenotypic_Advantage_in_Educational_Attainment_and_Cognitive_Ability_Compared_With_Catholics_and_Lutherans
Does intelligence explain national score variance on graduate admissions exams?
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https://www.researchgate.net/publication/330546276_Does_intelligence_explain_national_score_variance_on_graduate_admissions_exams
Biogeographic Ancestry, Cognitive Ability and Socioeconomic Outcomes
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https://www.mdpi.com/2624-8611/1/1/1
Linguistic features in names and social status: an exploratory study of 1,890 Danish first names
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https://openpsych.net/paper/58
Sex Differences in 32,347 Jordanian 4th Graders on the National Exam of Mathematics
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https://www.researchgate.net/publication/329197116_Sex_Differences_in_32347_Jordanian_4th_Graders_on_the_National_Exam_of_Mathematics
Editorial: A Response to Criticisms of the OpenPsych Journals
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https://openpsych.net/paper/57
Bibliometric Keyword Analysis across Seventeen Years (2000–2016) of Intelligence Articles
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https://www.mdpi.com/2079-3200/6/4/46
Is national mental sport ability a sign of intelligence? An analysis of the top players of 12 mental sports
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https://docs.google.com/presentation/d/1g0qxewJSO80KEWDzprGehnbOc3oIMxj7Dq0ud4O7Kd8/edit
An S Factor Analysis on the Provinces of Vietnam: Relationships with Cognitive Ability, Ethnicity, and Latitude
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https://www.researchgate.net/publication/325654239_An_S_Factor_Analysis_on_the_Provinces_of_Vietnam_Relationships_with_Cognitive_Ability_Ethnicity_and_Latitude
The left-liberal skew of Western media
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https://docs.google.com/presentation/d/1G9QqbfsWh05-tPSB3hERw5b2Y3MnvpozYt0bTVlkd64/edit#slide=id.p
Understanding admixture analysis
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https://docs.google.com/presentation/d/1hGxLL0no5eAVt72_RO63eo_7aPioSw9gK3UGjwPaw8M/edit#slide=id.p
Are immigration policy preferences based on accurate stereotypes?
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https://www.researchgate.net/publication/325152895_Are_immigration_policy_preferences_based_on_accurate_stereotypes
Regional differences in intelligence in 22 countries and their economic, social and demographic correlates: A review
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https://www.researchgate.net/publication/324730599_Regional_differences_in_intelligence_in_22_countries_and_their_economic_social_and_demographic_correlates_A_review
Self-reported criminal and anti-social behavior on a dating site: the importance of cognitive ability
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https://openpsych.net/paper/55
Employment Rates for 11 Country of Origin Groups in Scandinavia
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https://www.researchgate.net/publication/321709264_Employment_Rates_for_11_Country_of_Origin_Groups_in_Scandinavia
Sex Distribution, Life Expectancy and Educational Attainment of Comedians
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https://www.researchgate.net/publication/320141886_Sex_distribution_life_expectancy_and_educational_attainment_of_comedians
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https://www.youtube.com/watch?v=4EwrKIlTAp0
Genomic ancestry, cognitive ability, and socioeconomic status
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https://docs.google.com/drawings/d/10tnud1f23ZFVotNP186oZf0KLCMCB1bfEm4iYTzk0-k/edit
Admixture in Argentina
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https://www.researchgate.net/publication/317552097_Admixture_in_Argentina
Net fiscal contributions of immigrant groups in Denmark and Finland are highly predictable from country of origin IQ and Muslim%
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https://openpsych.net/paper/53
Differential immigrant group performance: A matter of intelligence?
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https://docs.google.com/presentation/d/1sq-kT1rAUKmlptMElE7aM90C4EJefaueD66b3a-iA-E/edit#slide=id.p
Biogeographic Ancestry and Socioeconomic Outcomes in the Americas: A Meta-Analysis
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https://www.researchgate.net/publication/315818167_Biogeographic_Ancestry_and_Socioeconomic_Outcomes_in_the_Americas_A_Meta-Analysis
Cognitive ability and political preferences in Denmark
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https://openpsych.net/paper/51
Immigrant crime in Germany 2012-2015
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https://openpsych.net/paper/50
Country of origin and use of social benefits: A large, preregistered study of stereotype accuracy in Denmark
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https://openpsych.net/paper/49
Some new methods for exploratory factor analysis of socioeconomic data
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https://openpsych.net/paper/47
The OKCupid dataset: A very large public dataset of dating site users
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https://openpsych.net/paper/46
Does sub-European genomic ancestry predict outcomes for US states?
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https://openpsych.net/paper/8
The OKCupid dataset: a very large open dataset of dating site users
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https://docs.google.com/presentation/d/1gdDjB17kwobBpCqd2kAqOkhI6fXXa054Xwx4srAmjWc/edit#slide=id.p
ICAR5: design and validation of a 5-item public domain cognitive ability test
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https://openpsych.net/paper/5
The general socioeconomic factor among Colombian departments
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https://www.researchgate.net/publication/278392268_The_general_socioeconomic_factor_among_Colombian_departments?_sg=5c9tdtd9hawqv9DtruY1W2NSYy2OjznaWcTa_8FKo3yxgZ7aymVl14zOGClX-TFd6f9zijl5rW5-vgX7goyMlJvc350CHxbg68_xRH-i.N9dNZiWDFdsKU0mcivsTPsB2ditPe0pDQeyZj9DvTkSSUznhkoJxMIn3jfYRG5s2wncGneK0X_IxIhMcziFmVw
Inequality in the United States: Ethnicity, Racial Admixtureand Environmental Causes
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https://www.researchgate.net/publication/303939962_Inequality_in_the_United_States_Ethnicity_Racial_Admixture_and_Environmental_Causes
Inequality across US counties: an S factor analysis
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https://openpsych.net/paper/12
Biogeographic Ancestry and Socioeconomic Outcomes in the Americas: a Meta-analysis
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https://docs.google.com/presentation/d/1tiRuR2qnKmg2GptB1nISYeaR4CC3m55wuUpXbq_aD-Y/edit#slide=id.p
Country of origin and use of social benefits: A pilot study of stereotype accuracy in Denmark
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https://openpsych.net/paper/11
Inequality across prefectures in Japan: An S factor analysis
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https://openpsych.net/paper/44
Admixture in the Americas: Regional and National Differences
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https://www.researchgate.net/publication/298214364_Admixture_in_the_Americas_Regional_and_National_Differences
The Genealogy of Differences in the Americas
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https://www.researchgate.net/publication/298214289_The_Genealogy_of_Differences_in_the_Americas
Inequality among 32 London Boroughs: An S factor analysis
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https://openpsych.net/paper/45
IQ and Socioeconomic Variables in French Departements: Reanalysis and New Data
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https://www.researchgate.net/publication/290430496_IQ_and_Socioeconomic_Variables_in_French_Departements_Reanalysis_and_New_Data
Some methods for measuring and correcting for spatial autocorrelation
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https://www.researchgate.net/publication/283018286_Some_methods_for_measuring_and_correcting_for_spatial_autocorrelation?_sg=5c9tdtd9hawqv9DtruY1W2NSYy2OjznaWcTa_8FKo3yxgZ7aymVl14zOGClX-TFd6f9zijl5rW5-vgX7goyMlJvc350CHxbg68_xRH-i.N9dNZiWDFdsKU0mcivsTPsB2ditPe0pDQeyZj9DvTkSSUznhkoJxMIn3jfYRG5s2wncGneK0X_IxIhMcziFmVw
Crime among Dutch immigrant groups is predictable from country-level variables
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https://openpsych.net/paper/16
Polygenic scores, genetic engineering, validity of GWAS results across major racial groups and the Piffer method
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https://thewinnower.com/papers/2735-polygenic-scores-genetic-engineering-validity-of-gwas-results-across-major-racial-groups-and-the-piffer-method
Validating a Danish translation of the International Cognitive Ability Resource sample test and Cognitive Reflection Test in a student sample
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https://openpsych.net/paper/37
IQ and socioeconomic development across Regions of the UK: a reanalysis
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https://www.researchgate.net/publication/279194180_IQ_and_socioeconomic_development_across_Regions_of_the_UK_a_reanalysis
A replication of the S factor among US states
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https://www.researchgate.net/publication/279192416_A_replication_of_the_S_factor_among_US_states
Immigrant GPA in Danish primary school is predictable from country-level variables
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https://openpsych.net/paper/36
What is a good name? The S factor in Denmark at the name-level
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https://www.researchgate.net/publication/277776292_What_is_a_good_name_The_S_factor_in_Denmark_at_the_name-level
An S factor among census tracts of Boston
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https://www.researchgate.net/publication/277591289_An_S_factor_among_census_tracts_of_Boston
Why do persons from higher mean IQ populations do better even after selection?
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https://www.researchgate.net/publication/277591528_Why_do_persons_from_higher_mean_IQ_populations_do_better_even_after_selection
Admixture in the Americas: Can racial ancestry predict cognitive ability and socioeconomic outcomes?
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https://docs.google.com/presentation/d/1hjhOiitk0MnqMHgVthyj8j7qa4qcAqPUDNaTT8rpetg/
The S factor in Brazilian states
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https://www.researchgate.net/publication/277591477_The_S_factor_in_Brazilian_states
Finding mixed cases in exploratory factor analysis
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https://www.researchgate.net/publication/277591529_Finding_mixed_cases_in_exploratory_factor_analysis
Examining the S factor in Mexican states
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https://www.researchgate.net/publication/275338746_Examining_the_S_factor_in_Mexican_states
The S factor in the British Isles: A reanalysis of Lynn (1979)
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https://www.researchgate.net/publication/275338677_The_S_factor_in_the_British_Isles_A_reanalysis_of_Lynn_1979
Spearman"s hypothesis on item-level data from Raven"s Standard Progressive Matrices: A replication and extension
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https://www.researchgate.net/publication/275338854_Spearman%27s_hypothesis_on_item-level_data_from_Raven%27s_Standard_Progressive_Matrices_A_replication_and_extension
Indian states: G and S factors
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https://www.researchgate.net/publication/275338890_Indian_states_G_and_S_factors
International differences in intelligence can be confusing: A commentary on Harrison et al (2015)
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https://www.researchgate.net/publication/275338784_International_differences_in_intelligence_can_be_confusing_A_commentary_on_Harrison_et_al_2015
Opinions about nuclear energy and global warming, and wordsum intelligence
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https://www.researchgate.net/publication/275338766_Opinions_about_nuclear_energy_and_global_warming_and_wordsum_intelligence
Automatic testing of all possible multiple regression models given a set of predictors
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https://www.researchgate.net/publication/275338690_Automatic_testing_of_all_possible_multiple_regression_models_given_a_set_of_predictors
Examining the S factor in US states
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https://www.researchgate.net/publication/275339046_Examining_the_S_factor_in_US_states
Strong negative relationship between population-level general intelligence and ADHD genetic factors inferred from allele frequencies
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https://www.researchgate.net/publication/338403950_Strong_negative_relationship_between_population-level_general_intelligence_and_ADHD_genetic_factors_inferred_from_allele_frequencies
S and G in Italian regions: Re-analysis of Lynn"s data and new data
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https://www.researchgate.net/publication/275339328_S_and_G_in_Italian_regions_Re-analysis_of_Lynn%27s_data_and_new_data
The S factor in China
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https://www.researchgate.net/publication/275338927_The_S_factor_in_China
Increasing inequality in general intelligence and socioeconomic status as a result of immigration in Denmark 1980-2014
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https://openpsych.net/paper/33
Fluid g in Scandinavia and Finland: Comparing results from PISA Creative Problem Solving and the WAIS IV matrices subtest
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https://openpsych.net/paper/31
The personal Jensen coefficient does not predict grades beyond its association with g
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https://openpsych.net/paper/30
Crime, income, educational attainment and employment among immigrant groups in Norway and Finland
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https://openpsych.net/paper/29
The international general socioeconomic factor: Factor analyzing international rankings
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https://openpsych.net/paper/28
Are Headstart gains on the g factor?: A meta-analysis
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https://www.researchgate.net/publication/264401031_Are_Headstart_gains_on_the_g_factor_A_meta-analysis
Educational attainment, income, use of social benefits, crime rate and the general socioeconomic factor among 70 immigrant groups in Denmark.
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https://openpsych.net/paper/21
Which immigrant groups do well in Denmark and Norway and why?
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https://www.researchgate.net/publication/338403672_Which_immigrant_groups_do_well_in_Denmark_and_Norway_and_why?_sg=5c9tdtd9hawqv9DtruY1W2NSYy2OjznaWcTa_8FKo3yxgZ7aymVl14zOGClX-TFd6f9zijl5rW5-vgX7goyMlJvc350CHxbg68_xRH-i.N9dNZiWDFdsKU0mcivsTPsB2ditPe0pDQeyZj9DvTkSSUznhkoJxMIn3jfYRG5s2wncGneK0X_IxIhMcziFmVw
Semantic discussions of intelligence and the (un)importance of the study of race and g: A comment on Hunt and Jaeggi (2013)
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https://openpsych.net/paper/19
Do National IQs Predict U.S. Immigrant Cognitive Ability and Outcomes? An Analysis of the National Longitudinal Survey of Freshman
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https://openpsych.net/paper/20
The genetic correlation between educational attainment, intracranial volume and IQ is due to recent polygenic selection on general cognitive ability
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https://openpsych.net/paper/42
Criminality among Norwegian immigrant populations
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https://openpsych.net/paper/14
Criminality and fertility among Danish immigrant populations
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https://openpsych.net/paper/13
Predicting Immigrant IQ from their Countries of Origin, and Lynn"s National IQs: A Case Study from Denmark
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https://www.researchgate.net/publication/260509121_Predicting_Immigrant_IQ_from_their_Countries_of_Origin_and_Lynn"s_National_IQs_A_Case_Study_from_Denmark
Omtale af ekstremisme i danske medier i årene 2003-2013: En kvatitativ analyse
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http://www.emilkirkegaard.dk/omtale_ekstremisme_danske_medier
Lyddansk
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http://lyddansk.dk/?page_id=131