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Evidence of Dysgenic Fertility in China   [Copy link] 中文

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Post time 2017-2-26 09:00:29 |Display all floors
This post was edited by _Chlorogenic at 2017-2-26 09:04

Researchgate.n*t/publication/301479916_Evidence_of_dysgenic_fertility_in_China


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Post time 2017-2-26 09:04:22 |Display all floors
This post was edited by _Chlorogenic at 2017-2-26 09:05

Abstract

The relationship between fertility, intelligence, and education was examined in China using a large sample sourced from the population-representative China Family Panel Studies (CFPS) dataset. For the 1951-1970 birth cohort, the correlation between fertility and gf was -10. The strength of recent selection against gf in China substantially increased between the 1960s and the mid-1980s. Later (between 1986 and 2000), the speed of decline in gf due to selection stabilized at about .31 points per decade with a slightly downward trend. The total loss from 1971 to 2000 due to dysgenic fertility is estimated to be .75 points. A negative relationship between educational attainment and fertility was additionally found. Both negative relations were stronger for women.

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Post time 2017-2-26 13:28:04 |Display all floors
It's happening all over the world too.

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Post time 2017-3-1 15:28:09 |Display all floors
Sugarman Post time: 2017-2-26 13:28
It's happening all over the world too.

It's called the Flynn effect: rising intelligence, similar to height.

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Post time 2017-3-5 09:30:30 |Display all floors
Puccino Post time: 2017-3-1 15:28
It's called the Flynn effect: rising intelligence, similar to height.

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Post time 2017-3-6 07:36:47 |Display all floors
Puccino Post time: 2017-3-1 15:28
It's called the Flynn effect: rising intelligence, similar to height.

Flynn effect has come to an end.

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Post time 2017-3-8 09:23:18 |Display all floors
Puccino Post time: 2017-3-1 15:28
It's called the Flynn effect: rising intelligence, similar to height.

How tall were the ancient people?

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