Unique predictive power of other‐rated personality: An 18‐year longitudinal study

Objective What is gained by having others report on one's personality? Research on adult samples has suggested that informant reports are especially informative regarding traits that are highly visible and evaluative (i.e., socially desirable/undesirable instead of neutral), such as Openness, Conscientiousness, and Agreeableness. This 18‐year longitudinal study aims to demonstrate the unique predictive power of other‐rated personality in...