1. Bandura, A. 1977 Self-efficacy: Toward a unifying theory of behavioral change. Psychological Review, 84, 191-215.
2. Bandura, A. 1982 Self-efficacy mechanism in human agency. American Psychologist, 37, 122-147.
3. Barber, T. 1976 Pitfalls in human research. Ten pitfall points. London: Pergamon Press.
4. Binder, A., McConnell, D., & Sjoholm, N. A. 1957 Verbal conditioning as a function of experimenters characteristics. Journal of Abnormal Psychology, 55, 309-314.
5. Eysenck, H. J. 1967 Biological basis of personality. Springfield, Ill.: Charles C. Thomas.