Victorian Era Brits Were Smarter Than Us. By Jennifer Viegas. Discovery News, May 17, 2013.
IQ of Western Civilization dropped since the Victorian Age. By Timothy Whiteman. Examiner, May 24, 2013.
The Victorians were smarter than us, study suggests. By Nick Collins. The Telegraph, May 13, 2013.
Were the Victorians cleverer than us? The decline in general intelligence estimated from a meta-analysis of the slowing of simple reaction time. By Michael A. Woodley, Jan te Nijenhuis, and Raegan Murphy. Intelligence, available online May 7, 2013.
Our fragile intellect. Part II. By Gerald R. Crabtree. Trends in Genetics, Vol. 29, No. 1 (January 2013).
The reproduction of intelligence. By Gerhard Meisenberg. Intelligence, Vol. 38, No. 2 (March/April 2010).
The decline of the world’s IQ. By Richard Lynn and John Harvey. Intelligence, Vol. 36, No. 2 (March/April 2008).
