That is a great lecture, and worth linking to (hence this reply), even more so for its lessons about how changes in abstract thinking lead to changes in moral s

That is a great lecture, and worth linking to (hence this reply), even more so for its lessons about how changes in abstract thinking lead to changes in moral standards and behavior: http://www.ted.com/talks/james_flynn_why_our_iq_levels_are_higher_than_our_grandparents http://www.ted.com/talks/james_flynn_why_our_iq_levels_are_h... If one is more interested in discussion of the effect itself, and whether the IQ score changes reflect actual changes in intelligence between generations, Flynn has a longer and more academic discussion on the subject here: http://www.psychometrics.cam.ac.uk/about-us/directory/beyond-the-flynn-effect http://www.psychometrics.cam.ac.uk/about-us/directory/beyond...