People With This Personality Trait Are More Likely to Be Rich, Study Finds

Kelsey Clark

Many make the inaccurate assumption that IQ is directly tied to success and, by extension, wealth. But according to economist and Nobel Prize winner James Heckman, people consistently overestimate the truth of this statement; in reality, only 1 or 2% of the differences between people's incomes can be attributed to IQ score.

Instead, a person's personality is far more likely to influence their bottom line. More specifically, a paper co-authored by Heckman for the Proceedings of the National Academy of Sciences found that the Big 5 personality trait conscientiousness, or diligence, attention to detail, and self-discipline, was strongly tied to financial success.

Heckman and his colleagues analysed four different data sets, which included the IQ scores, standardised test results, grades, and personality assessments for thousands of people in the UK, the U.S., and the Netherlands. The data sets spanning decades also took note of income, criminal records, body mass index, and self-reported life satisfaction as well. In the end, grades and achievement test results were better predictors of financial and professional success than raw IQ scores. 

"Grades reflect not just intelligence but also what Heckman calls 'non-cognitive skills,' such as perseverance, good study habits and the ability to collaborate—in other words, conscientiousness," writes Bloomberg of the results. "To a lesser extent, the same is true of test scores. Personality counts." In other words, you have some element of control over how you perform in school and by extension, where you end up professionally; a high IQ will only get you so far. Those who develop rigorous study habits and commit themselves to their work have a better chance of moving up the corporate ladder (and into higher income brackets).

Take this Big 5 personality test to see how conscientious you are, and share your thoughts on Heckman's research below!

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