Changes

The Flynn effect is the significant and long-sustained increase intelligence test scores measured in many parts of the world from roughly 1930 to the present.<ref name=R2000>Raven, John (2000). The Raven's Progressive Matrices: Change and Stability over Culture and Time. Cognitive Psychology 41, 1–48 (2000) {{doi|10.1006/cogp.1999.0735}}. John Raven, 30 Great King Street, Edinburgh EH3 6QH, Scotland. http://eyeonsociety.co.uk/resources/RPMChangeAndStability.pdf</ref>  In some secular, economically developed countries, the Flynn effect has ceased and their scores on standardized intelligence tests are falling.<ref>Multiple references:

The Flynn effect is the significant and long-sustained increase intelligence test scores measured in many parts of the world from roughly 1930 to the present.<ref name=R2000>Raven, John (2000). The Raven's Progressive Matrices: Change and Stability over Culture and Time. Cognitive Psychology 41, 1–48 (2000) {{doi|10.1006/cogp.1999.0735}}. John Raven, 30 Great King Street, Edinburgh EH3 6QH, Scotland. http://eyeonsociety.co.uk/resources/RPMChangeAndStability.pdf</ref>  In some secular, economically developed countries, the Flynn effect has ceased and their scores on standardized intelligence tests are falling.<ref>Multiple references:

*Singh, Gunjan (July 31, 2010).  [http://www.examiner.com/article/how-the-world-s-iq-is-decline "How the world's IQ is in decline"].  Examiner.com.  Retrieved on October 26, 2014.   

*Singh, Gunjan (July 31, 2010).  [http://www.examiner.com/article/how-the-world-s-iq-is-decline "How the world's IQ is in decline"].  Examiner.com.  Retrieved on October 26, 2014.   

*Richard Lynn and Tatu Vanhanen (2006). IQ and Global Inequality. Washington Summit Publishers: Augusta, GA. ISBN 1-59368-025-2

*Lynn, Richard and Vanhanen, Tatu (2006). ''IQ and Global Inequality'' (Augusta, GA:  Washington Summit Publishers). ISBN 1-59368-025-2

*[http://www.academia.edu/1203173/The_Rise_and_Fall_of_the_World_1_ ''The Rise and Fall of the World's IQ''] by Thomas Hally

*Hally, Thomas (aft. 2010).  [http://www.academia.edu/1203173/The_Rise_and_Fall_of_the_World_1_ "The Rise and Fall of the World's IQ"].  Academia.edu.  Retrieved on October 26, 2014.

*[http://www.prospectmagazine.co.uk/science-and-technology/intelligence-quotient-james-flynn Received wisdom: Average IQ is falling in Britain and beyond, explains Philip Hunter] by Philip Hunt, March 21, 2012, Published in April 2012 issue of Prospect Magazine</ref> However, the Flynn effect is continuing in developing countries which tend to be more religious (see: [[Intelligence trends in religious countries and secular countries]]).

*Hunter, Philip (March 21, 2012).  [http://www.prospectmagazine.co.uk/science-and-technology/intelligence-quotient-james-flynn "Received wisdom: Average IQ is falling in Britain and beyond, explains Philip Hunter"].  ''Prospect'', April 2012.  Retrieved from Prospect Magazine website on October 26, 2014.</ref> However, the Flynn effect is continuing in developing countries which tend to be more religious (see: [[Intelligence trends in religious countries and secular countries]]).

=== Intelligence trends: Secular countries and religious countries ===

=== Intelligence trends: Secular countries and religious countries ===