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Browsing All Posts filed under »IQ«
On Murray On Abolishing the SAT
Charles Murray, champion for general intelligence, defender of gender and racial differences of IQ scores, surprisingly argues that the SAT should be abolished. His argument involves three premises: Achievement test scores predict first year college GPAs better than SAT scores. The rabid focus on SAT by students, parents, schools, and the coaching industry is harmful. […]
Verbal ability tilt in the humanities
September 5, 2009
I’ve been thinking about cognitive ability tilt lately. Most IQ and aptitude tests look at verbal, mathematical, and sometimes spatial ability. People generally tilt towards one ability—e.g., more verbal than mathematical—and the type of ability tilt influences one’s choice in studying future academic disciplines. The current GRE measures both verbal and mathematical ability (the writing […]
Working memory a better predictor of school performance than IQ?
August 18, 2009
I found an article on how children’s working memory capacity predicts their school performance years later. It says: In her latest research Alloway gave working memory and IQ tests to 98 children aged 4.3 to 5.7 years in full-time preschool education. Recently, six years on, she revisited the children, now aged 10 and 11, asking […]
Asian accomplishment (or lack thereof?)
June 25, 2009
Guy White recently asked why East Asians, though their average IQ is higher than European Caucasians (105 IQ to 100 IQ), are not as inventive, creative, or as historically accomplished as European Caucasians. The evidence is staggering considering Charles Murray’s book, Human Accomplishment. Responders have presented two answers: (1) East Asians exhibit as a group […]
The bloggers’ IQ guessing game
June 23, 2009
FeministX played the bloggers’ IQ guessing game in some posts (here and here) a while ago, which had me thinking: why not just have every blogger take an IQ test and then list the scores? I found three reliable tests that are accurate in the 2+SD range: one for crystalized IQ, one for fluid IQ, […]
Additional thought to “testing crystalized and fluid g.”
June 14, 2009
I have a quick additional thought to my previous post on testing for crystalized and fluid g. If the verbal GRE section is mostly a test for fluid g and the math section is mostly a test for crystalized g for humanities majors, where the reverse is true for science and engineering majors, then it […]
On testing for crystalized and fluid intelligence
June 9, 2009
Many readers of this blog are familiar with the term ‘general intelligence‘ or g. It is sometimes defined at the most raw form of human intelligence: the ability to handle cognitive complexity. When it come to testing mental abilities, g can manifest itself as crystalized or fluid intelligence. Yet, both factors involve pattern recognition and analogical reasoning. […]
SAT test preparation: preparing for disapointment
May 20, 2009
I found this WSJ article via Steve Sailer discussing the ineffectiveness of SAT preparation material, which is a highly lucrative industry. The following paragraph caught my eye: The college counselors’ report concludes that, on average, prep courses yield only a modest benefit, “contrary to the claims made by many test-preparation providers.” It found that SAT […]
President Obama’s IQ
April 9, 2009
Half Sigma has a recent post on estimating President Obama’s IQ. Of course, he bases the estimate on Obama’s time in Harvard Law School, and, in part, guessing what Obama’s LSAT score might have been. Half Sigma doesn’t do much defending the estimate that Obama’s IQ is at least 140+; he instead appeals to a […]
The Audacious Epigone on IQ estimates of Intended college major via SAT scores
March 26, 2009
The Audacious Epigone posted the following chart of IQ estimates of intended college major via SAT scores: Intended major IQ Interdisciplinary studies 114.0 Physical sciences 111.2 Mathematics and statistics 110.7 English and literature 110.1 Foreign language 109.8 Philosophy and religious studies 109.6 Social sciences 109.3 Library science 108.7 Engineering 108.5 Biological and biomedical sciences 107.7 […]
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