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Thomas Hally wrote:

Thomas Hally wrote:

{{cquote|In many areas [[Phenotype|phenotypic]] intelligence has been increasing (the [[Flynn Effect|Flynn Effect]]) while [[Genotype|genotypic]] intelligence is decreasing due to the negative association between intelligence and that which is known as ³[[Dysgenics|dysgenic]] fertility´. Gains of as much as 7.5 IQ points in phenotypic intelligence are much greater than the 0.43 IQ points per generation in the world-wide genotypic IQ that had been estimated for the period 1950-2000. The situation in the industrially developed world appears to follow the lead of the United States and a handful of other developed nations in so far as the phenotypic IQ has been increasing at a greater rate as a result of environmental improvements.

{{cquote|In many areas [[Phenotype|phenotypic]] intelligence has been increasing (the [[Flynn Effect|Flynn Effect]]) while [[Genotype|genotypic]] intelligence is decreasing due to the negative association between intelligence and that which is known as "[[Dysgenics|dysgenic]] fertility". Gains of as much as 7.5 IQ points in phenotypic intelligence are much greater than the 0.43 IQ points per generation in the world-wide genotypic IQ that had been estimated for the period 1950-2000. The situation in the industrially developed world appears to follow the lead of the United States and a handful of other developed nations in so far as the phenotypic IQ has been increasing at a greater rate as a result of environmental improvements.

In Norway, Sweden, Denmark, Great Britain and Australia phenotypic intelligence has stabilized and now is declining.<ref>[https://www.academia.edu/1203173/The_Rise_and_Fall_of_the_World_1_ ''The Rise and Fall of the World's IQ''] by Thomas Hally</ref>}}

In Norway, Sweden, Denmark, Great Britain and Australia phenotypic intelligence has stabilized and now is declining.<ref>[https://www.academia.edu/1203173/The_Rise_and_Fall_of_the_World_1_ ''The Rise and Fall of the World's IQ''] by Thomas Hally</ref>}}