Satoshi kanazawa claims that people's scores on the general intelligence factor are most highly correlated with their ability to solve problems.

The ability to solve novel problems correlates with people's general intelligence scores. The term "novel" here has nothing to do with books, but rather the discussion relates to correlating higher levels of intelligence associated an individual's increased ability to solve different and unusual problems. Novel problems often require deeper knowledge and/or better perception to find or suggest a solution. This can be helpful in areas of trouble shooting, for example debugging computer code.

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