gdp per capita

Foreign researchers have figured out the reason why Vietnamese students always achieve extremely high scores in examinations
Vietnam is one of the most confusing cases in the education sector: A low-income country that produces students who do well on international standardized tests no less than
The facts you don't know about IQ
Poverty makes it difficult for you to achieve good results in IQ tests. Meanwhile, the average IQ of a country also affects GDP per capita.