1. Intelligence, personality, and interests: Evidence for overlapping traits;Ackerman;Psychological Bulletin,1997
2. The big five personality dimensions and job performance: A meta-analysis;Barrick;Personnel Psychology,1991
3. Beyond private gain: The public benefits of higher education;Bloom,2007
4. Caspi, A. (1998). Personality development across the life course. In: W. Damon (Series Ed.) & N. Eisenberg (Vol. Ed.), Handbook of child psychology: Vol. 3. Social, emotional, and personality development (pp. 311–388). New York, US: Wiley.
5. Statistical power analysis for the behavioural sciences;Cohen,1988