Sunday, 28 July 2013

Implications of the group selection of genius?

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* Suppose that genius benefits group fitness rather than individual fitness, as seems likely to be the case - then this is a precarious si...
Thursday, 25 July 2013

The Head Girl Syndrome - the opposite of creative genius

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* The ideal Head Girl is an all-rounder: performs extremely well in all school subjects and has a very high Grade Point Average. She is ex...

Creative genius probably requires lop-sided cogntive abilities (NOT all round high intelligence)

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* Given that the concept of 'g' or general intelligence breaks down at higher levels of cognitive ability - it is plausible that t...
Friday, 19 July 2013

Dishonesty reduces applied intelligence: re-wires the brain

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* Surveying the modern intellectual scene, the world of public discourse among the educational elites, I conclude that dishonesty does not...

Is intelligence also personality?

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* In contrast to yesterday's posting, which attempts to differentiate qualitatively between intelligence and personality - with person...
Thursday, 18 July 2013

What is "personality"?

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* This is a tricky question - and one to which I do not have a settled answer.  But in the classic research programme into interpersonal...
Monday, 1 July 2013

What does dog intelligence tell us about possible causes of the decline of human intelligence?

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* The causes of the significant decline in intelligence in the past 150 or so years include 1. Differential reproduction such that the l...
Monday, 24 June 2013

Eysenck's personality trait of Psychoticism as the primary underlying disposition, underpinning most other traits

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* Background:  http://iqpersonalitygenius.blogspot.co.uk/2012/08/creativity-and-eysencks-psychoticism.html http://iqpersonalitygenius.b...
Tuesday, 28 May 2013

Approx 1 SD decline in general intelligence since 1889 confirmed in a near-perfectly-matched sample from 1989

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* Michael A. Woodley, Jan te Nijenhuis & Raegan Murphy have followed up their long-term analysis of reaction times as evidence of a ...
Saturday, 25 May 2013

Is the claim of one standard deviation decline in intelligence since Victorian times an extraordinary claim, implying the need for extraordinary evidence?

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* The phrase and practice of "extraordinary claims require extraordinary evidence" is one of those superficially-plausible sta...
Wednesday, 15 May 2013

More than one third decline in general intelligence since Victorian times?

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* Having reflected on the title of an earlier post which described the decline in intelligence since Victorian times in terms of approxima...
Sunday, 12 May 2013

The e-mails from 2008 when I had the idea of using historical reaction time data to measure trends in intelligence

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*  Two e-mails to Richard Lynn (Emeritus Professor, University of Ulster)  5th July 2008 14:43  Richard, I've just this m...
Friday, 10 May 2013

The 15 point decline in IQ since Victorian times - what next?

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* Okay - so simple reaction time data indicates that average general intelligence has declined by about one standard deviation (15 IQ poin...
Thursday, 9 May 2013

The decline in general intelligence estimated from a meta-analysis of the slowing of simple reaction time

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* [Here is a rather rough version - sorry! best I can do - of a forthcoming paper to which I contributed; although I am not one of the ...