1. Anderson, J. E. (1939). The limitations of infant and preschool tests in the measurement of intelligence.Journal of Psychology, 8, 351–379.
2. Anderson, T. W. (1960). Some stochastic process models for intelligence test scores. In K. J. Arrow, S. Karlin, & P. Suppes (Eds.),Mathematical methods in the social sciences. Stanford, CA: Stanford University Press.
3. Bayley, N. (1949). Consistency and variability in the growth of intelligence from birth to eighteen years.Journal of Genetic Psychology, 75, 165–196.
4. Bayley, N. (1956). Individual patterns of development.Child Development, 27, 45–74.
5. Bayley, N. (1968). Behavioral correlates of mental growth: Birth to thirty-six years.American Psychologist, 23, 1–17.