I am interested in your question and I would like to be of assistance, it would be helpful if you shared more information about your request.
Are you concerned about soft skills (non-cognitive), personality development and personality traits from a developmental perspective during infancy? Adolescence? Adulthood? Or some other context?
"...Soft skills are personality traits and interpersonal skills that directly affect your relationships with other people. They stem from who you are and how you interact with the world around you. Luckily, these skills can be identified, harnessed, and strengthened..."