1. Human capital: A theoretical and empirical analysis with special reference to education;Becker,1964
2. Convergent and discriminant validation by the Multitrait-Multimethod Matrix;Campbell;Psychological Bulletin,1959
3. Systematic bias in field studies of mental illness;Clancy,1971
4. A new scale of social desirability independent of psychopathology;Crowne;Journal of Consulting Psychology,1960
5. The approval motive. Studies in evaluative dependence;Crowne,1964