Scientists are genuinely divided on this question.

What's still open

What the evidence found 3 findings
Based on 8 sources:
PubMed peer-reviewed View
PMC peer-reviewed View
Roberts & DelVecchio (2000) - The Rank-Order Consistency of Personality Traits From Childhood to Old Age peer-reviewed View
PubMed peer-reviewed View
ResearchGate peer-reviewed View
Meta-analysis on rank-order stability of domain-specific self-esteem peer-reviewed View
Stability and Change of Personality Across the Life Course research peer-reviewed View
Roberts & DelVecchio meta-analysis on personality trait consistency peer-reviewed View
Based on 11 sources:
Journal of Clinical Psychology peer-reviewed View
ResearchGate peer-reviewed View
Roberts et al. (2017) - A Systematic Review of Personality Trait Change Through Intervention peer-reviewed View
Roberts et al. 2006 meta-analysis peer-reviewed View
Bleidorn personality stability meta-analysis peer-reviewed View
Riley et al. 2017 peer-reviewed View
Life events and personality trait change: A coordinated data analysis peer-reviewed View
Life Events and Personality Change: A Systematic Review and Meta-Analysis peer-reviewed View
Life Events and Personality Trait Change peer-reviewed View
PMC Article on Meaningful Associations peer-reviewed View
American Journal of Preventive Medicine Focus peer-reviewed View
Based on 12 sources:
Science Daily news View
PMC/NCBI peer-reviewed View
PMC Article peer-reviewed View
Science Direct peer-reviewed View
Frontiers in Aging Neuroscience peer-reviewed View
Britannica institutional View
Wikipedia institutional View
PMC - NIH peer-reviewed View
Science Direct peer-reviewed View
PMC - NIH peer-reviewed View
PMC Article on Epigenetic Alterations peer-reviewed View
Noba Project institutional View
What research hasn't answered 2 gaps
PubMed peer-reviewed View
PMC peer-reviewed View
Roberts & DelVecchio (2000) - The Rank-Order Consistency of Personality Traits From Childhood to Old Age peer-reviewed View
PubMed peer-reviewed View
ResearchGate peer-reviewed View
PubMed peer-reviewed View
PMC peer-reviewed View
Roberts & DelVecchio (2000) - The Rank-Order Consistency of Personality Traits From Childhood to Old Age peer-reviewed View
PubMed peer-reviewed View
ResearchGate peer-reviewed View
Sources 21 findings
Roberts Unknown
argumentation Unknown
argumentation Unknown
tree-leaf argumentation
tree-leaf argumentation
tree-leaf argumentation
tree-leaf argumentation
tree-leaf argumentation
tree-leaf argumentation
tree-leaf argumentation
tree-leaf argumentation
tree-leaf argumentation
2000 Roberts argumentation
Baltimore Longitudinal Study of Aging argumentation
2017 Roberts argumentation
tree-leaf argumentation
tree-leaf argumentation
tree-leaf argumentation
argumentation Unknown
argumentation Unknown
argumentation Unknown
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Generated by reaso.ai's editorial pipeline: claim restated, scientific consensus classified via 3-run majority vote, 21 findings enriched with attribution and study type, narrative written in neutral voice. No individual researcher has signed off on this specific analysis — see methodology for how the pipeline works. Built with Claude Sonnet by Anthropic. Updated April 16, 2026. How we do this →

Written by AI. Sources are linked for verification.