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: At work, people are confronted with clear behavioral expectations. In line with the Social Investment Principle, the beginning and ending of working life might thus promote changes in personality traits that are relevant at work (e.g., Conscientiousness). Method: Based on the data...

Perceived control is an important variable for various demands involved in successful aging. However, perceived control is not set in stone, but rather changes throughout the life course. The aim of this study was to identify cross-sectional age differences and longitudinal mean-level changes as...

Personality predicts how we interact with others, what partners we have, and how happy and lasting our romantic relationships are. At the same time, our experiences in these relationships may affect our personality. Who experiences specific major relationship events and how do these events...

Objective: At work, people are confronted with clear behavioral expectations. In line with the Social Investment Principle, the beginning and ending of working life might thus promote changes in personality traits that are relevant at work (e.g., Conscientiousness). Method: Based on the data...

Personality predicts how we interact with others, what partners we have, and how happy and lasting our romantic relationships are. At the same time, our experiences in these relationships may affect our personality. Who experiences specific major relationship events and how do these events...

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...

Perceived control is an important variable for various demands involved in successful aging. However, perceived control is not set in stone, but rather changes throughout the life course. The aim of this study was to identify cross-sectional age differences and longitudinal mean-level changes as...