Tagged: Intelligence

Local anti-fluoride activists tell porkies yet again - Open Parachute

Ken Perrott Aug 03, 2017

Well, I suppose that’s not news. A bit surprising, though, because they are claiming the absence of research on fluoridation and IQ – which sort of conflicts with the previous attempts to actually condemn and misrepresent the actual research on fluoridation and IQ. Fluoride Free NZ’s (FFNZ) face book page is claiming: Would you be interested to know that no studies … Read More

50% of people who lived in 1917 were intellectually disabled - Mere Conjecture

Jack Auty Jan 07, 2017

More than half the world was intellectually disabled prior to 1917CE….. if you extrapolate the Flynn effect. This blog will be an interesting dive into IQ, intellectual disability, crime, time travel and the Flynn effect. Let’s start by saying that you are probably “smarter” (whatever that means) than your parents. That’s right, when you were a pimply, hormone filled, teenager … Read More

Twins and genetic performance - The Dismal Science

Eric Crampton Feb 26, 2016

Identical twins have school test scores that are more closely correlated than scores from fraternal twins. de Zeeuw et al look at data from the Netherlands Twin Register. Even children attending the same primary school and taught by the same teacher differ greatly in their performance. In the Netherlands, performance at the end of primary school determines the enrollment … Read More

Wealth heritability - The Dismal Science

Eric Crampton Feb 27, 2015

Swedish income and wealth are strongly heritable, as measured by differences between monozygotic and dizygotic twin outcome variances.These patterns of correlations illustrate Turkheimer's (2000) three “laws” of behavior genetics, which are not theoretical necessities, but rather stylized facts that summarize the broad pattern of empirical findings in several decades of behavior genetics studies. The first law states that … Read More

007 Billion – Crowdsourcing Intel - Ariadne

Robert Hickson Oct 11, 2012

A few years ago DARPA’s little sibling IARPA (Intelligence Advanced Research Projects Activity) sought to improve the forecasting of future events through crowdsourcing. It established the Aggregative Contingent Estimation Program to “improve accuracy, precision and timeliness of forecasts for a broad range of events”. [Crowdsourcing refers to tapping into the insights of any and everyone with … Read More

The Flynn Effect and closing the IQ gap - Guest Work

Guest Work Jul 19, 2012

by Toby Hendy, Katikati College student and winner of the 2012 Eureka Symposium Secondary School orator’s award IQ tests were designed to see who would succeed in the education system and we typically use them to measure intelligence. However, across different social groups we have seen gaps in IQ scores. It is a taboo subject, but it is also … Read More

Can Our Fantasy Life Affect Our Perceptions of Real Life? - Skepticon

Darcy Cowan Apr 16, 2010

Recently there’s been a television promotional advertisement that really bugs me. It shows a man watching events appearing before his eyes and has a voice-over that says something to the effect of “When you look back on your life are you going to see a life filled with interesting people and excitement?” and when is [...] … Read More

Intelligence, Monogamy and Journalistic Licence - Skepticon

Darcy Cowan Mar 02, 2010

Last week news came out about a study linking intelligence with liberal attitudes and atheistic beliefs, oh and in men an increased tendency for monogamy. Today I read the NZ Herald‘s short take on the study, a semi-chauvinistic piece pointing out how we evolved intelligent men can think our way to monogamy while those sexually [...] … Read More