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Mental Health Center

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Personality Changes With Age

People Care More About Others and Obligations as They Get Older
WebMD Health News

May 12, 2003 -- Despite the popular theory that personality is genetically "set in plaster" by early adulthood, new research suggests the proverbial old dog can learn new tricks -- and mostly for the better.

As people reach middle age and beyond, the study shows, they tend to care more about their work, responsibilities, and those in their lives. But they also become less open to meeting new people, and women become less neurotic and extroverted.

These findings, published in the May issue of the Journal of Personality and Social Psychology, were reached after analyzing self-reported answers to an online questionnaire completed by some 132,000 Americans and Canadians between ages 21 and 60. They rated themselves on personality traits known by psychologists as the "Big Five": conscientiousness, agreeableness, neuroticism, openness, and extroversion.

"We were somewhat surprised by our findings," says lead researcher Sanjay Srivastava, PhD, psychologist at Stanford University. Though previous research has suggested that personality changes less and less over time, the researchers found that certain personality traits change gradually but consistently throughout life -- and on average, people are getting better as get older.

His study adds to evidence that personality may not solely result from biology, but changes over time as the result of life stages, experiences, social environment, and gender. And Srivastava tells WebMD that it should offer reassurance to people worried about aging being a process of decline. "As you get older," he says, "you can get better ... at least in certain traits."

The researchers found that conscientiousness -- being organized, disciplined, and well-planned, especially at work -- increased most strongly in the 20s for both men and women, and these personality changes slowed by age 30 but didn't stop. Agreeableness -- being warm, generous, and helpful -- accelerated most in the 30s in both men and women and climbed more slowly in the 40s, with women recording higher overall levels. Meanwhile, rates of neurosis tended to decrease with age in women but didn't change much in men. And both sexes had small declines in their levels of openness, but split on extroversion -- women became less gregarious with age while men became slightly more outgoing.

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