The maturity principle and cumulative continuity principle have been fundamental in understanding adult development of personality traits. We tested new predictions derived from both principles for Honesty-Propriety, a factor from the newer Big Six …
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.
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.