Although losing one's spouse is one of the worst experiences that can occur in life, it has not been resolved yet how this experience relates to personality development. Method: In the German Socio-Economic Panel study (SOEP), information on the death of a spouse was assessed yearly from 1985 to...

In line with the Social Investment Principle, becoming a parent should lead to more mature behavior and an increase in conscientiousness, agreeableness, and emotional stability. However, previous research provided mixed results that do not support this idea. Here, we used data from a nationally...

Objective: Leaders differ in their personalities from non-leaders. However, when do these differences emerge? Are leaders "born to be leaders" or does their personality change in preparation for a leadership role and due to increasing leadership experience? Method: Using data from the German...

Does personality change across the entire life course, and are those changes due to intrinsic maturation or major life experiences? This longitudinal study investigated changes in the mean levels and rank order of the Big Five personality traits in a heterogeneous sample of 14,718 Germans across...

Does personality change across the entire life course, and are those changes due to intrinsic maturation or major life experiences? This longitudinal study investigated changes in the mean levels and rank order of the Big Five personality traits in a heterogeneous sample of 14,718 Germans across...

Does personality change across the entire life course, and are those changes due to intrinsic maturation or major life experiences? This longitudinal study investigated changes in the mean levels and rank order of the Big Five personality traits in a heterogeneous sample of 14,718 Germans across...

Although losing one's spouse is one of the worst experiences that can occur in life, it has not been resolved yet how this experience relates to personality development. Method: In the German Socio-Economic Panel study (SOEP), information on the death of a spouse was assessed yearly from 1985 to...

In line with the Social Investment Principle, becoming a parent should lead to more mature behavior and an increase in conscientiousness, agreeableness, and emotional stability. However, previous research provided mixed results that do not support this idea. Here, we used data from a nationally...

Objective: Leaders differ in their personalities from non-leaders. However, when do these differences emerge? Are leaders "born to be leaders" or does their personality change in preparation for a leadership role and due to increasing leadership experience? Method: Using data from the German...

Since the new millennium, research in the field of personality development has focused on the stability and change of basic personality traits. Motivational aspects of personality and their longitudinal association with basic traits have received comparably little attention. In this...