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Study Explores How Income and Personality May Influence Each Other

The effect was modest, with the strongest link between income and later conscientiousness peaking at about 0.06, researchers said.

  • Researchers led by Wen-Dong Li of the Chinese University of Hong Kong analyzed data from 11 studies involving about 134,000 workers to examine how income and personality traits changed over time. They found rising pay correlated with shifts in conscientiousness and emotional stability.
  • Higher-Paying roles often demand greater responsibility, requiring individuals to become more disciplined and composed under pressure. These demanding positions may reduce time for social interaction, leading to decreases in agreeableness and extraversion as people adapt.
  • This relationship operates bidirectionally, as personal increases in conscientiousness and emotional stability often predict future income growth. These mutual influences peaked at roughly 1.2 to 1.4 years before gradually fading over the subsequent decade.
  • Because researchers relied on observational survey data, the study cannot establish that income changes directly cause personality shifts. Self-reported questionnaires also mean results might reflect changes in self-perception rather than actual behavioral modifications observed by others.
  • Psychologist Paul Piff has explored how money influences behavior, noting that wealth can reduce attentiveness to others. These findings align with research suggesting personality traits can shift in response to life experiences, though some studies show traits remain relatively stable.
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A NEW study shows that higher incomes can affect personality over time.

·Zagreb, Croatia
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Study explores how income and personality may influence each other

A new study is examining whether a larger paycheck could be linked to changes in personality. Researchers analyzed data from about 134,000 workers and focused on several personality traits.

An international team of researchers has evaluated how income and personality are related. A result: who earns more is less extroverted. What could be the reason and what increases with the money.

·Düsseldorf, Germany
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PsyPost broke the news in Roseville, United States on Tuesday, October 20, 2026.
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