Since April 2010, Rindermann holds the Chair of Educational and Developmental Psychology at the Technical University of Chemnitz.
[12][13] The results were broadly similar to those in Richard Lynn and Tatu Vanhanen's book IQ and the Wealth of Nations.
Hunt, due to there being far more data available, Rindermann's analysis was more reliable than those by Richard Lynn and Tatu Vanhanen.
The journal stated, "Independent post-publication peer review has confirmed fundamental flaws in the use of student assessment studies as a measure of IQ or cognitive ability, and in the prominence of individual examples taken from the author's life.
"[15] Some of Rindermann's work has concentrated on the "smart fraction" theory, which states that the prosperity and performance of a society depends on the proportion of the population that is above a particular threshold of intelligence, with the threshold point being well above the general median intelligence level in most societies.