绝望了有点：同卵双胞胎，在南韩的那个长大后，智商比在北美的那个，“strikingly higher”
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Psychologists found a "striking" difference in intelligence after examining twins raised apart in South Korea and the United States
A new study of monozygotic twins raised apart in South Korea and the United States provides unique insight into how genetic, cultural, and environmental factors influence human development. The new research has been published in the scientific journal Personality and Individual Differences.
www.psypost.org
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The researchers found “striking” differences in cognitive abilities. The twin raised in South Korea scored considerably higher on intelligence tests related to perceptual reasoning and processing speed, with an overall IQ difference of 16 points.
In line with their cultural environment, the twin raised in the United States had more individualistic values, while the twin raised in South Korea had more collectivist values.
However, the twins had a similar personality. Both scored high on measures of conscientiousness and low on measures of neuroticism. They also had a similar level of satisfaction with their job, even though their occupations were quite different — a government administrator and a cook. The twins also had similar mental health profiles and had identical scores on the measure of self-esteem.
In line with their cultural environment, the twin raised in the United States had more individualistic values, while the twin raised in South Korea had more collectivist values.
However, the twins had a similar personality. Both scored high on measures of conscientiousness and low on measures of neuroticism. They also had a similar level of satisfaction with their job, even though their occupations were quite different — a government administrator and a cook. The twins also had similar mental health profiles and had identical scores on the measure of self-esteem.
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个例而已，不值得大惊小怪。这类研究比较正式的少说已经超过100年了，有些规模不小，包括二战时纳粹死亡天使门格勒 Mengele 的研究。
这类研究简单可以概况为：nature vs nurture.
狗一下，结果铺天盖地。比如这篇：
In 2003, Eric Turkheimer, a psychology professor at the University of Virginia, took a fresh look at the research on the heritability of I.Q., which relied heavily on twin studies. Turkheimer noticed that most of the studies that found I.Q. is largely due to genetics involved twins from middle-class backgrounds, and he wondered what the pattern was among poorer people. When he looked at twins from poor families, he found that the I.Q.s of identical twins varied just as much as the I.Q.s of fraternal twins. In other words, the impact of growing up poor can overwhelm a child's natural intellectual gifts.
www.smithsonianmag.com
www.ncbi.nlm.nih.gov
这类研究简单可以概况为：nature vs nurture.
狗一下，结果铺天盖地。比如这篇：
A Brief History of Twin Studies
Genes and I.Q.In 2003, Eric Turkheimer, a psychology professor at the University of Virginia, took a fresh look at the research on the heritability of I.Q., which relied heavily on twin studies. Turkheimer noticed that most of the studies that found I.Q. is largely due to genetics involved twins from middle-class backgrounds, and he wondered what the pattern was among poorer people. When he looked at twins from poor families, he found that the I.Q.s of identical twins varied just as much as the I.Q.s of fraternal twins. In other words, the impact of growing up poor can overwhelm a child's natural intellectual gifts.
A Brief History of Twin Studies
As NASA dives into the data from astronaut twins, take a look back at the famous, and infamous, results we've seen from this popular research tool
Twin Studies: A Unique Epidemiological Tool
Twin Studies: A Unique Epidemiological Tool - PMC
Twin studies are a special type of epidemiological studies designed to measure the contribution of genetics as opposed to the environment, to a given trait. Despite the facts that the classical twin studies are still being guided by assumptions made ...
www.ncbi.nlm.nih.gov
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打了新冠疫苗的直接年轻20岁 赶紧上
