2024-07-28 05:34:10
Intelligence is equal parts genetic and environmental, despite the claim made here. Also, the correlation between intelligence and IQ is debated and controversial without a consensus. Lastly, the graph suggests a "world IQ" of ~88, but it is actually 100 as of 2024. [Link][Link][Link][Link] NEEDS_MORE_RATINGS(4-0-11) Author
2024-07-28 13:46:43
The heritability of IQ is ~80% in adulthood [Link] IQ tests derive most of their validity from measurement of a latent factor which generalizes to most contexts, including tests, life outcomes, Job-performance. We may call this factor "Intelligence". arthurjensen.net/wp-content/uploads/2020/04/The-g-factor-the-science-of-mental-ability-Arthur-R.-Jensen.pdf Global avg IQ 85 & declining [Link] NEEDS_MORE_RATINGS(4-0-3) Author
2024-07-29 13:06:22
The graph is misleading. The average (mean) IQ is defined to be 100. By definition, it's impossible for the average IQ to be any other number. [Link] NEEDS_MORE_RATINGS(3-0-1) Author