What causal mechanisms explain the formation of personality? How stable is personality in adulthood?

Personality constructs are defined as qualities / characteristics that remain relatively stable over time. Additionally, research has revealed that the tendencies characterizing a persons psychology tends to form and become more stable in emerging adulthood, rather than prior. What causal mechanisms explain the formation of personality? How stable is personality in adulthood? Which theories provide reasonable explanations for this (psychoanalytic, humanistic, trait, social-cognitive, and behaviorist theories)? Note: focus on typical patterns that explain most people

Please use and cite the sources attached (at least 3 of them), as well as two outside scholarly sources. The paper should be 6 pages double spaced in APA format. The deadline is Thursday April 28th at 4pm PST

Thank you 🙂

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