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Though she is not a psychometrician, I was reminded of Nina Simone’s song by a recent paper on identifying gifted children, which found that an IQ test was better than the standard teacher referral systems at detecting bright black and hispanic kids. Good news I thought, and yet another vindication of intelligence testing. However, before... Read More
Some immigrants don’t contribute much: locals blamed.
Commenting on the findings shown on the Government website, the Prime Minister said: “What this audit shows is there isn't anywhere to hide. That's not just for Government, it's for society as a whole. Britain has come a long way in promoting equality and opportunity but what the data we've published today shows is that... Read More
Sex differences are in the news. A male Google employee reviewed some of the literature on the topic in the context of his workplace practices, and got sacked. A book questioning the role of testosterone in sex differences, and more generally the veracity of innate biological sex differences, got the Royal Society Science Book prize,... Read More
If people were crops, where would they be best planted? Like many people, I have read some books which have led me astray. They were plausible, and although I could see errors in them, I continued reading so as to learn new things. I am willing to accept that authors can be wrong about some... Read More
The Royal Society is the world’s oldest scientific society, and is held in high regard. To be a Fellow of that society is a great accomplishment. I am glad to have friends who have achieved this status, including one of the few couples who are both Fellows. So, it is a considerable surprise to learn... Read More
In my last post “Even more genes for intelligence”, I alluded to the mysterious Hsu Boundary, and I encourage you to use this phrase as often as possible. Why should other researchers have a monopoly of jargon? The phrase should help you impress friends, and also to curtail tedious conversations with persons who have limited... Read More
Africans have finally ended Russia’s historical state-sponsored dominance in the fastest form of international checkers: blitz draughts. Jean Marc Ndjofang of Cameroon (pictured above) is the 2017 blitz world champion.
Arthur Jensen's generation of race hereditarians (Eysenck, Rushton, Shockley and perhaps even Charles Murray et al) were quite different in posture from many of their current young followers. Jensen, like most of his friends, apparently wished to be proved wrong about his genetic hypothesis of racial differences in IQ because he genuinely hoped that what... Read More
The intelligence gene hunters have been stepping up their activities, and keep coming back with more trophies. Danielle Posthuma and colleagues are at it again, studying very large samples and finding further novel genes which load on brain tissues. I hope someone somewhere is keeping track of the overall picture, perhaps in a control room... Read More
The SPLC headquarters in Montgomery, Alabama. Credit: Wikimedia Commons
Galileo Galilei (1564–1642) has been called the Father of Modern Science. So it is fitting that he was, perhaps, the first scientist to be censured and silenced by political forces represented in his day by the Catholic Church. The issue then was evidence Galileo presented supporting the Copernican heliocentric model of the solar system that... Read More
If bright people live longer, is it because of the good things that social status provides? This question may appear to be very hard to answer, because one thing leads to another, and bright people are clever enough to build themselves agreeable places in which to live. One approach is to “control” for this, on... Read More
In my last post I said: I had no idea that my thesis would receive instant support the following day in a paper which begins with a stirring paragraph, worth quoting in full: Since its discovery in 1904, hundreds of studies have replicated the finding that around 40% of the variance in people’s test scores... Read More
My impression of Damore’s Google Memo is that it is a thoughtful and well-considered personal opinion about workplace differences in abilities and attitudes. The tone is reserved, measured, and reasonable, avoiding sweeping claims. For example, it restricts its scope to the particular office in which he worked, and not Google as a whole. It is... Read More
goolag-google-manifesto
This week’s big story on the CultMarx front was the firing of Google employee James Damore. The firing offense was, he had written a document titled Google’s Ideological Echo Chamber and circulated it on Google’s internal network. The document was leaked to journalists, the nation’s CultMarxists threw a collective fit of hysteria, and Damore got... Read More
darwin-499x372
John Derbyshire writes: I gave a half-hour PowerPoint presentation under this title to the AmRen Conference on July 29th 2017. Video of the event will be posted at the AmRen website some time soon. As a pre-Information Age relic, my default format is the essay. For events like this, I first write out an essay,... Read More
The time has come for a review post on the laws of behavioral genetics. I will talk about why these laws are laws and why they are important. Eventually, this will be merged into my Behavioral Genetics Page, but for now, I will start with this primer. The five laws of behavioral genetics are: All... Read More
When did humans first become human? The answer is far from simple, because the question assumes that sometime in the past, humans achieved modernity and were locked within an evolutionary loophole where natural selection no longer applies. Despite the absurdity of this scenario, and in stark contrast to empirical data, it is widely believed that... Read More
The loathsome truth about psychology textbooks
I have a secret hope that one day one of my readers will write a psychology textbook, and that intelligence will be mentioned in an up-to-date and accurate manner. Years ago, when reading a new UK textbook that took an apologetic and partial view of racial differences in intelligence I planned to look at the... Read More
1.6% to 2.4%
There are two main approaches to understanding the evolution of intelligence. A) Study the differences in intelligence between genetic groups. B) Study the differences in intelligence within a genetic group. Approach A is currently not being funded, as far as I know, but please let me know if there are studies I should be commenting... Read More
I have always assumed that the Ancients were wiser than us, but I admit that my evaluation is subject to survivor bias: the best of their thinking has been passed on to us, the mediocre rest forgotten. The Ancients were not all at the level of Socrates, they also included the dullards that killed him.... Read More
Although the Bard warned against finding the mind’s construction in the face, we are apt to try. Can facial features show us the power of the brain behind the mask? Lee et al. (2017) think so. https://drive.google.com/open?id=0B3c4TxciNeJZTGpEdkJBbnVmNFE Unlike minor Scottish nobility planning regicide, they have made their judgments using the medium of facial photographs of... Read More
shutterstock_664540639
Apologies to the reader. Perhaps I wax tedious. But the question of intelligence is both interesting to me and great fun as talking about it puts commenters in an uproar. It is like poking a wasp’s nest when you are eleven. I am a bad person. Clearing the underbrush: Obviously intelligence is largely genetic–if it... Read More
Chanda Chisala and I post about each other so often that we should be employing the same agent. Properly managed, I might finally get onto a lecture tour circuit somewhere. The Shetlands, perhaps. Below is the post to which I am referring. http://www.unz.com/article/will-scrabble-have-the-last-word-on-the-iq-debate/ My reply to Chisala’s post has hardly been prompt: one source of... Read More
Jim Flynn once observed that no-one was funding research into the genetics of racial differences in intelligence because they feared they would find something. Here is my psychologist’s summary of where we are as regards the genetics of intelligence in general: 10%. That is to say, by poking about in the genetic code researchers can... Read More
Grigoriev, Andrey & Lynn 2009 Studies of Socioeconomic and Ethnic Differences in Intelligence in the Former Soviet Union in the Early Twentieth Century Abstract: This is essentially a short history of psychometrics in the USSR/Russia. (1) The first measurement of Russian IQ was performed in 1909 by A.M. Schubert, who used the French Binet test... Read More
My first experience with Raven’s Matrices was as a psychology student. We did the test as a group, and then the Alice Heim 5 test of high grade intelligence, and finally inexpertly attempted to give each other the Wechsler test of adult intelligence. As you will have noted, the concept of intelligence and the ways... Read More
No sooner do I return from my own intelligence conference, about which more later, than I note, courtesy of another scholar, a fascinating new paper showing that 40% of the variance in IQ can be accounted for by a new measure of brain networks. This is strong stuff, so with a spinning head I tried... Read More
There is nothing like sex differences in intelligence to put you on the wrong side of half the population. The story so far is that the standard academic opinion on sex differences in intelligence is that there aren’t any, or that they are small, or that the few that exist counterbalance each other. Women are... Read More
My attitude to exercise was best summed up by cartoonist Paul Terry: However, I am not deaf to the cacophony of advisers recommending that people should keep active, particularly the over 50s. The notion seems to be that the elderly serve some undefined but useful purpose which could be prolonged by physical exertion. I find... Read More
Brain size and intelligence
Here is a very interesting paper on sex differences in brain size and intelligence, notable for linking people’s brain scans with their detailed intelligence test results. It has been accepted for publication in Intelligence. Sex differences in brain size and general intelligence (g) Dimitri van der Linden, Curtis S. Dunkel, Guy Madison Abstract Utilizing MRI... Read More
In my last article, “Scrabble Spells Doom for the Racial Hypothesis of Intelligence,” I argued that Africans should not be able to come anywhere near dominating the games of Scrabble (both English and French) or professional checkers, as they apparently do, if their real biological intelligence was anywhere near as low as their nominal IQ... Read More
There was a time when boys played games of marbles following strict playground rules: contestants had to stand a prescribed distance away from the little pyramid of marbles, and chuck only marbles of the prescribed size. Rules ruled. Piaget was intrigued by the explanations children gave for moral judgements, and the playground is the arena... Read More
It is a measure of the quality of British life that one of its longest running TV programs is “University Challenge”, a quiz show for university students. Yes, it has always been a minority interest, but it is a showcase of talent, an astounding example of what bright young people can get to know in... Read More
Lead poisoning reduces social mobility
There are still many people who believe that intelligence does not exist or that it cannot be measured, particularly if the summary result is given as a single figure. The argument seems to be that single figure cannot possibly represent their myriad abilities. Quite so. What are they to make of a recent finding by... Read More
I can claim to have been assaulted by micro-aggressions. I find myself profoundly hurt when people in my presence say “Intelligence – whatever that is”. They do it to vex me, which is beastly of them. Other aggressive behaviours include people in conversation denouncing anyone who holds a particular political opinion, without considering that I... Read More
Earth has not anything to show more foul
As these things go, it was not too bad. One idiot in a car murdered 3 people, with 7 more in a critical condition who may die, at least 40 with terrible injuries, and many more people traumatized. Crowds of tourists ran away from the place of slaughter at Westminster Bridge. Earth has not anything... Read More
tsiname-tribe
Saturday is a relative slow day in my household, so it felt somewhat of a rebuke to read on the BBC that the Tsimané people have an ideal lifestyle, walking some 17,000 steps a day, as compared to the lethargic wealthy West, who aim for 10,000 daily steps but rarely take them. http://www.bbc.co.uk/news/health-39292389 Those of... Read More
eye-pupil
Despite being interested in intelligence, I am also on guard against judging the mind from the face (there's no art to find the mind's construction in the face) while probably doing just that all the time. I assume that I judge mental ability by conversations which go beyond pleasantries. Indeed, perhaps measuring how quickly people... Read More
blade-runner
Blade Runner had an impact on me, both as a film and because it was an introduction to the writings of Philip K Dick, whose whimsical work was based on wondering what it meant to be human. Are we as individuals merely constructions of fundamental genetic coding mechanisms, which create treasured but probably false memories... Read More
Smart groups are (simply) groups of smart people.
Few things attract more attention in the business world than new ways of making groups work well. As any fool knows, groups are a pain. They argue, dither, drift off course, waste time and resources, and produce loads of rubbish. Worse, all those participants draw salaries, so treasure is wasted. Surely, bosses think, any technique... Read More
Personally, after reading the above description, I have Linda in my mind’s eye, and I can just see her lecturing me on what sort of yoghurt I should eat. If I ever met her, I would not dream of admitting that I drive a diesel car, and that I have very recently taken up sketching... Read More
Add fertilizer and yields are boosted, up to a plateau; ignore the quality of the seed and yields slowly decline.
Everyone knows about the Flynn Effect, but very few about the Woodley Effect. When Woodley was working on his paper in 2013 “Were the Victorians cleverer than us? The decline in general intelligence estimated from a meta-analysis of the slowing of simple reaction time” I wrote to Charles Murray about his findings, and in his... Read More
Throughout my American Nations series (based on the books American Nations: A History of the Eleven Rival Regional Cultures of North America by Colin Woodard and Albion's Seed: Four British Folkways in America by David Hackett Fischer) I've talked about how North America is divided into distinct ethnocultural regions based on historic settlement patterns. These... Read More
cognitive-capitalism-sinc-800-bc
It is good that people are discussing IQ. Fred Reed’s post has drawn many comments, too many for me to answer individually. Here I outline the main heads of his argument as I see them, and some of the relevant research. My summary of Reed’s post is: Intelligence is important; intelligence research is important and... Read More
No story about the brain is simple; no one study is definitive; and it takes many years to sort out conflicting and inconsistent findings and establish a weight of evidence. It is a fundamental truth that any researcher who can put a person in a scanner can publish a paper. Any researcher able to talk... Read More
In my earlier entry (Clannishness – The Series: How It Happened), we saw that the thing that made the difference between WEIRD Northwestern Europeans and their more clannish neighbors was the selective pressures that each underwent during their histories – particularly since the fall of Rome until the present. This era in time established the... Read More
  I have never played Scrabble. I may have tried once, but certainly gave up very quickly, before even finishing the game. I like words, but I don’t particularly like games. I can’t see the point of Scrabble, and would prefer to read a book, in which the words are assembled to convey meaning. Unscrabble.... Read More
Intelligence is worth talking about because both the reality of intelligence and perceptions regarding intelligence set limits on the possible and influence policy. For example, if the population of India on average really is below borderline retardation, the country can never amount to anything. If Latino immigrants really are as stupid as white nationalists hope,... Read More
manyukhin-tower-of-sin
Fundamentally solve the “intelligence problem,” and all other problems become trivial. The problem is that this problem is a very hard one, and our native wit is unlikely to suffice. Moreover, because problems tend to get harder, not easier, as you advance up the technological ladder (Karlin, 2015), in a “business as usual” scenario with... Read More
What is the use of Psychology? Surely knowing some psychology should confer an advantage? I mean a real advantage, over and above being able to give complicated post-event commentaries? How about this? If survival means avoiding premature death, then living is perpetual problem solving, and the better the solutions to problems, the better the standard... Read More
Flynn Effect background explanations.
    The Flynn Effect is important to understand; it is better understood now than ever before, but there is more to research; and it is probably more limited in its real-world consequences than people imagine, though the long-term consequences are still being debated. Say you take any test of ability, and as an example... Read More
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