Research Feed

Using NHATS data from 2,672 older adults, this longitudinal cohort study examined Big Five traits and social isolation risk over nine years. Higher extraversion and agreeableness predicted lower odds of baseline isolation, with extraversion remaining protective at three-year follow-up even after full adjustment. No trait significantly predicted isolation at six or nine years, suggesting personality's influence diminishes over longer time horizons.

This longitudinal research identifies Agreeableness as the primary personality dimension influencing adolescent peer relations and social safety. While both Agreeableness and Extraversion correlate with peer acceptance, Agreeableness uniquely serves as a protective shield against victimization. Specifically, high Agreeableness moderates behavioral vulnerabilities; for agreeable children, these vulnerabilities do not lead to increased bullying, whereas less agreeable children experience a direct correlation between behavioral risks and victimization over time.

This research highlights how a strong sense of humor acts as a powerful social asset by shaping how others perceive our personality. Across two studies, observers consistently linked a 'well above average' sense of humor to a suite of socially desirable traits. Specifically, individuals with a great sense of humor are perceived as being significantly higher in Agreeableness and lower in Neuroticism compared to those with a typical or below-average sense of humor. These findings suggest that humor doesn't just make people laugh; it generates a 'halo effect' of positive expectations, leading others to view the humorous person as more emotionally stable and socially cooperative.