The Big Five Across Socioeconomic Status: Measurement Invariance, Relationships, and Age Trends

Associations between socioeconomic status (SES) and personalitytraits have important implications for theory and application. Progress in understanding these associations depends on valid measurement, unbiased estimation, and careful assessment of …

Predicting Mental Health from Followed Accounts on Twitter

The past decade has seen rapid growth in research linking stable psychological characteristics (i.e., traits) to digital records of online behavior in Online Social Networks (OSNs) like Facebook and Twitter, which has implications for basic and …

Social Media and Well-Being: Pitfalls, Progress, and Next Steps

A review paper on Social Media and Well-Being

Ethics-Relevant Values in Adulthood: Longitudinal Findings from the Life and Time Study

In a large, nationally-representitive sample, we find mean-level change toward more inclusive value priorities and high rank-order stability of values over time.

Revealed Traits: A Novel Method for Estimating Cross-Cultural Similarities and Differences in Personality

Cross-cultural research on personality has often led to surprising and counter-theoretical findings, which have led to concerns over the validity of country-level estimates of personality (e.g., Heine, Buchtel, & Norenzayan, 2008). The present study …

Stability and Change in the Big Five and Big Six: New Tests of the Maturity and Cumulative Continuity Principles

In a large, nationally-representitive sample, we find mean-level personality change consistent with the maturity principle. We find a remarkable degree of stability, and little change in stability across the lifespan, potentially at odds with the cumulative continuity principle.

What a _____ Thing to Do! Formally Characterizing Actions by Their Expected Effects

A number of personality frameworks assume traits describe central tendencies of action-for instance, calling someone *assertive* indicates they have a tendency to perform *assertive* actions. But what makes it appropriate to characterize an action by …