Bibliography (5):

1. Specification curve analysis

2. Do Links Between Personality and Life Outcomes Generalize? Testing the Robustness of Trait–Outcome Associations Across Gender, Age, Ethnicity, and Analytic Approaches

3. The Power of Personality: The Comparative Validity of Personality Traits, Socioeconomic Status, and Cognitive Ability for Predicting Important Life Outcomes

4. Wikipedia Bibliography:

   1. Big Five personality traits

   2. Propensity score matching