Increasing numbers of empirical studies provide compelling evidence that personality traits
change across the entire lifespan. What initiates this continuing personality development …

The Five Factor Model, which measures individual differences on extraversion,
agreeableness, conscientiousness, emotional stability, and openness to experience, is …

Personality disorders (PDs) are currently considered dysfunctions. However, personality
differences are older than humanity and are ubiquitous in nature, from insects to higher …

What makes voters prefer a certain type of politician? First, we argue that voters' trait
preferences follow a “desired leadership” principle. We show that citizens want the ideal …

Research on mate choice has primarily focused on preferences for quality indicators,
assuming that all individuals show consensus about who is the most attractive. However, in …

Pedigree-based analyses of intelligence have reported that genetic differences account for
50–80% of the phenotypic variation. For personality traits these effects are smaller, with 34 …

Personality has been found to play an important role in predicting satisfaction in couples.
This review presents dyadic research on the association between Big Five traits and both life …

Behavioral similarity between partners is likely to promote within-pair compatibility and to
result in better reproductive success. Therefore, individuals are expected to choose a …

Being with a well-matched partner seems essential for a happy relationship. However, past
research on personality similarity in couples has reported inconsistent findings. The current …

In line with the sexual selection for altruism hypothesis, research has shown that men and
women typically prefer hypothetical partners who are described as prosocial to otherwise …