欧宝娱乐

“The relationship between fertility and intelligence has been investigated in many demographic studies. There is evidence that, on a population level, intelligence is negatively correlated with fertility rate and positively correlated with survival rate of offspring.[1] The combined net effect of these two conflicting forces on ultimate population intelligence is not well studied and is unclear. It is theorized that if an inverse correlation of IQ with fertility rate were stronger than the correlation of IQ with survival rate (and if heritable factors involved in IQ were consistently expressed in populations with different fertility rates), assuming this continued over a significant number of generations, it could lead to a decrease in population IQ scores.”
― Wikipedia: Fertility and Intelligence

“Twin studies of adult individuals have found a heritability of IQ between 57% and 73%[6] with the most recent studies showing heritability for IQ as high as 80%.[7] IQ goes from being weakly correlated with genetics, for children, to being strongly correlated with genetics for late teens and adults. The heritability of IQ increases with age and reaches an asymptote at 18鈥�20 years of age and continues at that level well into adulthood. This phenomenon is known as the Wilson Effect”
― Wikipedia: Heritability of IQ

“Page 366:
Can the United States really have been experiencing falling IQ? Would not we be able to see the consequences? Maybe we have. In 1938, Raymond Cattell, one of the most illustrious psychometricians of his age, wrote an article for the British Journal of Psychology, 鈥淪ome Changes in Social life in a Community with a Falling Intelligence Quotient.鈥� The article was eerily prescient.

In education, Cattell predicted that academic standards would fall and the curriculum would shift toward less abstract subjects. He foresaw an increase in 鈥渄elinquency against society鈥� 鈥� crime and willful dependency (for example, having a child without being able to care for it) would be in this category. He was not sure whether this would lead to a slackening of moral codes or attempts at tighter government control over individual behavior. The response could go either way, he wrote.

He predicted that a complex modern society with a falling IQ would have to compensate people at the low end of IQ by a 鈥渟ystematized relaxation of moral standards, permitting more direct instinctive satisfactions.鈥� In particular, he saw an expanding role for what he called 鈥渇antasy compensations.鈥� He saw the novel and the cinema as the contemporary means for satisfying it, but he added that 鈥渨e have probably not seen the end of its development or begun to appreciate its damaging effects on 鈥榬eality thinking鈥� habits concerned in other spheres of life鈥� 鈥� a prediction hard to fault as one watches the use of TV in today鈥檚 world and imagines the use of virtual reality helmets in tomorrow鈥檚.

Turning to political and social life, he expected to see 鈥渢he development of a larger 鈥榮ocial problem group鈥� or at least of a group supported, supervised and patronized by extensive state social welfare work.鈥� This, he foresaw, would be 鈥渋nimical to that human solidarity and potential equality of prestige which is essential to democracy.”
― Charles Murray, The Bell Curve: Intelligence and Class Structure in American Life