What combination of personality changes has been labeled the "maturation of personality"?

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The "maturation of personality" is generally associated with an increase in conscientiousness, which involves being more responsible, organized and reliable. There is also an increase in agreeableness, which involves being more cooperative, empathetic and compassionate. And finally, there is often a decrease in neuroticism, which involves being less anxious, moody and emotional. This combination of changes is seen as a sign of growing maturity and psychological health.

What Combination of Personality Changes Has Been Labeled the "Maturation