Intelligence

• Human intelligence is highly heritable. Source: http://www.nature.com/mp/journal/v16/n10/abs/mp201185a.html
• The scientific consensus is that IQ tests are not racially biased. Source: http://www.sciencedirect.com/science/article/pii/S0160289608000305
• Very poor Whites are about as intelligent as very wealthy Blacks. Source: http://www.jbhe.com/features/49_college_admissions-test.html
• Privately, intelligence experts hold more hereditarian views than they express in public. Source: http://www.udel.edu/educ/gottfredson/reprints/1994egalitarianfiction.pdf#page=3
• Black children raised in White households have similar IQ scores to Black children in Black households. Source: http://psycnet.apa.org/psycinfo/1977-07996-001
• The average African IQ is estimated at 75. Source: http://www.sciencedirect.com/science/article/pii/S0191886912003741
• The average African-American IQ is 85, compared to the average White IQ of 100. Source: http://www.udel.edu/educ/gottfredson/reprints/1997mainstream.pdf#page=2
• The White-Black gap in SAT scores, a proxy for IQ, is increasing. Source: http://www.jbhe.com/features/49_college_admissions-test.html
• Genes for large brains, linked to high IQ, are common everywhere except Africa. Source: http://www.wsj.com/articles/SB115040765329081636
• Intelligence has a 40-50% genetic basis. Source: http://articles.latimes.com/2011/aug/10/news/la-heb-genetic-study-intelligence-20110809
• IQ scores are the best predictor of success in Western society. Source: http://psychology.uwo.ca/faculty/rushtonpdfs/PPPL1.pdf#page=2
• IQ is 75% heritable among Whites. Source: http://psychology.uwo.ca/faculty/rushtonpdfs/PPPL1.pdf#page=2
• The average Hispanic IQ is 90. Source: http://benthamopen.com/contents/pdf/TOPSYJ/TOPSYJ-3-9.pdf
• The average IQ in Sub-Saharan Africa is 70. Source: http://benthamopen.com/contents/pdf/TOPSYJ/TOPSYJ-3-9.pdf
• The average IQ in southeast Asia is 87. Source: http://benthamopen.com/contents/pdf/TOPSYJ/TOPSYJ-3-9.pdf
• The heritability of IQ reaches .8 (80%) in later adulthood. Source: http://www.nature.com/mp/journal/v20/n1/full/mp2014105a.html
• Intelligence “is one of the best predictors of important life outcomes such as education, occupation, mental and physical health and illness, and mortality.” Source: http://www.nature.com/mp/journal/v20/n1/full/mp2014105a.html
• Intelligence is the most important trait for marriage. Source: http://www.nature.com/mp/journal/v20/n1/full/mp2014105a.html
• Heritability of IQ increases throughout life (except for very old age). Source: http://www.nature.com/mp/journal/v20/n1/full/mp2014105a.html
• The Black-White IQ gap is mostly heritable. Source: http://benthamopen.com/contents/pdf/TOPSYJ/TOPSYJ-3-9.pdf
• Higher IQ is linked to lower time preference. Source: http://www.yale.edu/scan/Shamosh_inpress_Intelligence.pdf
• The IQ of a country’s rulers largely determines productivity and wealth. Source: https://mpra.ub.uni-muenchen.de/57563/
• Intelligent people are more likely to be physically active outside of work and to eat fruits and vegetables. Source: http://www.nature.com/mp/journal/v20/n1/full/mp2014105a.html
• Everyday life is an IQ test. Source: http://www.udel.edu/educ/gottfredson/reprints/1997whygmatters.pdf
• “Intelligence and ability are personal traits that are stable over time and that the role of effort in academic performance is limited.” Source: http://www.sciencedirect.com/science/article/pii/S0022440514000831
• Stereotype effect explains a just “small to medium” amount of group differences in IQ. Source: http://www.sciencedirect.com/science/article/pii/S0022440514000831
• A meta-analysis concludes that stereotype threat predicts 3.3 IQ points of group differences in intelligence. Source: http://www.sciencedirect.com/science/article/pii/S0022440514000831
• There is pervasive publication bias in research claiming that “stereotype threat” is responsible for group differences in intelligence. Source: http://www.sciencedirect.com/science/article/pii/S0022440514000831
• When corrected for publishing biases, the impact of stereotype threat is statistically indistinguishable from zero. Source: http://www.sciencedirect.com/science/article/pii/S0022440514000831
• The world’s thirty least intelligent countries (except for Haiti) are all in sub-Saharan Africa. Source: http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=8492613&fileId=S1832427400010045
• Haiti, Nepal, Sri Lanka, Guatemala and Qatar are the least intelligent countries outside of sub-Saharan Africa. Source: http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=8492613&fileId=S1832427400010045
• Colder climates selected for higher IQ populations by imposing more complex survival requirements. Source: http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=8492613&fileId=S1832427400010045
• Higher IQ is linked to more democracy. Source: http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=8492613&fileId=S1832427400010045
• IQ is the best known predictor of job performance for all studied occupations. Source: http://onlinelibrary.wiley.com/doi/10.1111/ijsa.12069/abstract
• Intelligence can be measured directly from brain scans, without tests of any sort. Source: http://www.nature.com/neuro/journal/vaop/ncurrent/full/nn.4135.html
• The average criminal has an IQ of 85. Source: https://us.sagepub.com/en-us/nam/21st-century-criminology-a-reference-handbook/book232189
• Most if not all psychological traits are substantially influenced by genetics. Source: http://cdp.sagepub.com/content/13/4/148
• IQ scores predict life outcomes equally well for different races. Source: http://www.vdare.com/articles/indians-arent-that-intelligent-on-average
• Muslim counties have an average IQ of just 81, 7.5 points lower than non-Muslim countries. Source: http://mankindquarterly.org/archive/paper.php?p=647
• Arab countries have an average IQ of just 84. Source: http://mankindquarterly.org/archive/paper.php?p=647
• Skin color is the best biological predictor of IQ. Source: http://mankindquarterly.org/archive/paper.php?p=647
• Nearly every reliably measured psychological trait, especially IQ, is significantly influenced by genetic factors. Source: http://cdp.sagepub.com/content/13/4/148
• Smarter people are more cooperative than dumb people. Source: http://www2.warwick.ac.uk/fac/soc/economics/research/centres/cage/manage/publications/255-2015_proto.pdf#page=2