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Karwowski, Maciej; Gralewski, Jacek – Thinking Skills and Creativity, 2013
The threshold hypothesis (TH) assumes the existence of complex relations between creative abilities and intelligence: linear associations below 120 points of IQ and weaker or lack of associations above the threshold. However, diverse results have been obtained over the last six decades--some confirmed the hypothesis and some rejected it. In this…
Descriptors: Intelligence, Item Response Theory, Creativity, Creative Thinking
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Lynn, Richard – Intelligence, 2009
New standardizations of the Coloured and Standard Progressive Matrices in Britain in 2007 and 2008 show that on the Coloured Progressive Matrices the intelligence of 4 to 11 year olds increased over the years 1982-2007 by 8 IQ points, representing a gain of 3.2 IQ points a decade, and on the Standard Progressive Matrices the intelligence of 7 to…
Descriptors: Intelligence, Intelligence Quotient, Measures (Individuals), Improvement