To Promote a Global Flynn Effect II

Some might wonder why it would be a good idea trying to raise GCA (general cognitive ability) around the world. Well, high GCA levels go along with lots of good things, and low levels go along with many bad things. I know, I know, correlation is not causation … but it is highly suggestive.

Here is a handy table from Earl Hunt* that nicely summarizes how solidly GCA is correlated with several good things (and negatively correlated with several bad things).

Desirable

Undesirable

Attribute

Correlation

Attribute

Correlation

Rule of law

0.64

Fertility rate

0.73

Quality of bureaucracy

0.64

Gini economic inequality index

0.51

GDP per capita

0.63

HIV infection rate

0.48

Economic freedom

0.52

Government spending as percentage of economy

0.47

Economic growth

0.44

Homicide rate

0.23

Rate of solved homicides

0.32

War: frequency and impact

0.22

(Data from: Rindermann, H. (2008). Relevance of education and intelligence at the national level for the economic welfare of people. Intelligence, 36, 127–142.)

*Earl Hunt, What Makes Nations Intelligent? Perspectives on Psychological Science (2012) 7: 284 DOI: 10.1177/174569161244290

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2 Comments

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2 responses to “To Promote a Global Flynn Effect II

  1. Pingback: To Promote a Global Flynn Effect (Part III) | Breviosity

  2. Pingback: Should We Worry About China? | Breviosity

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