Thursday, August 7, 2014

Thai me up, Thai me down

southern boys...

Why do Thais post lower IQ scores than East Asians like Chinese, particularly southern Chinese? The latest info from hereditarians places Thai scores in the high 80s per Lynn and Vanhanen  (Intelligence: A Unifying Construct for the Social Sciences 2012.) This should not be the case if genetics ruled, because genetically the Thais, on the average, cluster with Chinese, particularly southern Chinese. Indeed, DNA analysis (Kong et al 2011) shows that China was peopled by migrants from the warmer south- i.e. "the southern route" via Southeast Asia. Quote:

"The observation that most of the newly recognized mtDNA lineages have already differentiated and show the highest genetic diversity in southern China provided additional evidence in support of the Southern Route peopling hypothesis of East Asians. Specifically, the enrichment of most of the basal lineages in southern China and their rather ancient ages in Late Pleistocene further suggested that this region was likely the genetic reservoir of modern humans after they entered East Asia."  
-- Kong et al (2011) Large-Scale mtDNA Screening Reveals a Surprising Matrilineal Complexity in East Asia and Its Implications to the Peopling of the Region. Mol Biol Evol (2011) 28 (1): 513-522

The DNA data also shows that Thais cluster with southern Chinese, as would be expected if there were migrational overlap from the south into China. Quote:
" On the other hand, Thais, Vietnamese, and Cambodians joined with southern Chinese."

 Cavalli-Sforza ( The History and Geography of Human Genes (1994) likewise clusters Thais closer to Chinese as compared with non-Asians, and on the same twig as southern Chinese. Interestingly, Cavalli-Sforza also shows Tibetans to be much close genetically to Northern Chinese, and yet, according to top racialist hereditarian scholar Richard Lynn, Thai's post much lower IQ scores than southern Chinese, or more northerly East Asian types, including Koreans and Japanese. As for the closely related Tibetans, they post IQ scores almost 1 standard deviation below their closely related genetic Chinese counterparts per hereditarian studies. QUOTE:

"The intelligence and mathematical ability of Tibetan and Han Chinese junior and senior secondary school and college students in Tibet was assessed by a modified version of the Standard Progressive Matrices and a mathematics test. Among junior secondary school students, the Tibetans obtained a lower IQ than the Chinese by 12.6 IQ points, and also scored lower on mathematics. Tibetan senior secondary school students and college students also obtained lower IQs and lower scores on mathematics tests than the Chinese." 
--Lynn, Richard (2008). IQ and Mathematics Ability of Tibetans and Han Chinese. Mankind Quarterly, Vol. 48, No. 4 (Summer 2008) pp. 505-510.

China's 2009 PISA scores show similar patterns. Most of the top scores are from the southerly regions, Hong Kong, Singapore, Taiwan, Macau or closer to the south than the north (Zhejiang). How is it that the much maligned tropical areas post the highest IQ scores among Chinese, beating out the supposedly more advanced cold-climate northerners, and yet closely related Thais, also from more tropical regions score lower?

How is it that cold-climate Tibetans, closely related genetically to other East Asians like non-southern Chinese, Koreans, etc post lower IQ scores? These are not distant cold climate peoples like Inuit, but closely related fellow East Asians.

Thomas Sowell warned in his excellent critique of the Bell Curve that correlation is not causation. That wise principle heavily applies in the field where many are prone to sweeping claims of messianic certainty:

"Perhaps the most intellectually troubling aspect of The Bell Curve is the authors' uncritical approach to statistical correlations. One of the first things taught in introductory statistics is that correlation is not causation. It is also one of the first things forgotten, and one of the most widely ignored facts in public policy research. The statistical term "multicollinearity," dealing with spurious correlations, appears only once in this massive book.. Multicollinearity refers to the fact that many variables are highly correlated with one another, so that it is very easy to believe that a certain result comes from variable A, when in fact it is due to variable Z, with which A happens to be correlated. In real life, innumerable factors go together.  
--Sowell Thomas (1995) The Bell Curve Wars

More to come...

Joint products of "racial evolution"...


Thai me down - Thais fall behind genetically related southern Chinese, Tibetans below genetically related East Asians like Koreans and other Chinese

Time for liberals to respect "the south" ... in a way of speaking.. the south of Egypt that is..

Irony 2: touted High IQ "G-men" cannot reproduce themselves

Unz and Sowell: Unz debunking Lynn's IQ and Wealth of Nations. Sowell debunking the Bell Curve

Irony 1: touted High IQ types are more homosexual, more atheist, and more liberal (HAL)

Elite white universities discriminate against Asians using reverse "affirmative action"

Deteriorating state of white America

Racial Cartels (The Affirmative Action Propaganda machine- part 2

Hereditarian's/HBD's "Great Black Hope"

Exploding nonsense: the 10,000 Year Explosion

We need "rational racism"? Proponent Dinesh D;Souza becomes his own test case

The Affirmative Action Propaganda Machine- part 1

Two rules for being "really" black- no white wimmen, no Republican

The Axial age reconsidered

Cannibal seasonings: dark meat on white

"Affirmative Action" in the form of court remedies has been around a long time- since the 1930s- benefiting white union workers against discrimination by employers

Mugged by reality 1: White quotas, special preferences and government jobs

Lightweight enforcement of EEO laws contradicts claims of "flood" of minorities "taking jobs"

Railroaded 3: white violence and intimidation imposed quotas

Railroaded 2: how white quotas and special preferences blockade black progress...

Railroaded 1: How white affirmative action and white special preferences destroyed black railroad employment...

Affirmative action: primary beneficiaries are white women...

7 reasons certain libertarians and right-wingers are wrong about the Civil Right Act

Social philosophy of Thomas Sowell

Bogus "biodiversity" theories of Kanazawa, Ruston, Lynn debunked

JP Rushton, Michael Levin, Richard Lynn debunked. Weaknesses of Jared Diamond's approach.

In the Blood- debunking "HBD" and Neo-Nazi appropriation of ancient Egypt

early Europeans and middle Easterners looked like Africans. Peoples returning or "backflowing" to Africa would already be looking like Africans

 Ancient Egypt: one of the world's most advanced civilizations- created by tropical peoples

Playing the "Greek defence" -debunking claims of Greeks as paragons of virtue or exemplars of goodness

Quotations from mainstream academic research on the Nile Valley peoples

Assorted data debunking

Evolution, brain size, and the national IQ of peoples ... - Jelte Wicherts 2010

Why national IQs do not support evolutionary theories of intelligence - WIcherts, Borsboom and Dolan 2010
Personality and Individual Differences 48 (2010) 91-96
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Are intelligence tests measurement invariant over time? by JM Wicherts - ?2004
 --Dolan, Wicherts et al 2004. Investigating the nature of the Flynn effect. Intelligence 32 (2004) 509-537

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Race and other misadventures: essays in honor of Ashley Montagu... By Larry T. Reynolds, Leonard Lieberman

Race and intelligence: separating science from myth. By Jefferson M. Fish. Routledge 2002. See Templeton's detailed article referenced above also inside the book
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Oubre, A (2011) Race Genes and Ability: Rethinking Ethnic Differences, vol 1 and 2. BTI Press
For summary see:
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--S OY Keita, R A Kittles, et al. "Conceptualizing human variation," Nature Genetics 36, S17 - S20 (2004)

--S.O.Y. Keita and Rick Kittles. (1997) *The Persistence ofRacial Thinking and the Myth of Racial Divergence. AJPA, 99:3
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Alan Templeton. "The Genetic and Evolutionary significnce oF Human Races." pp 31-56. IN: J. FiSh (2002) Race and Intelligence: Separating scinnce from myth.

 J. FiSh (2002) Race and Intelligence: Separating science from myth.


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Oubre, A (2011) Race Genes and Ability: Rethinking Ethnic Differences, vol 1 and 2. BTI Press

Krimsky, S, Sloan.K (2011) Race and the Genetic Revolution: Science, Myth, and Culture

Wicherts and Johnson, 2009. Group differences in the heritability of items and test scores

--Joseph Graves, 2006. What We Know and What We Don’t Know: Human Genetic Variation and the Social Construction of Race

J. Kahn (2013) How a Drug Becomes "Ethnic" - Yale Journal of Health Policy, Law and Ethics, v4:1

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circumpolar proportions- egyptian cluster-lt

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