He wrote numerous books and articles on these topics, including:
- The Nature of Human Intelligence (1967)
- Intelligence: Its Nature and Structure (1980)
- Creativity (1950)
- The Structure of Intellect (1959)
- Fundamental Statistics in Psychology and Education (1965)
- General psychology (1939)
- Psychometric Methods (1954, with Benjamin Fruchter)
- Theories of Personality (1959, with R.B. Cattell and W.H. McNeill)
- Experimental Psychology and its Empirical Foundations (1962, with Paul E. Meehl)
- Multivariate Methods in Behavioral Research (1968, with Paul R. Merrifield)
- Theories of Learning (1975, with William R. Estes and Robert F. Wagner)
- Theories of Cognitive Psychology (1977, with Allen M. Lesgold)
- Advances in Psychology and Education (1982, with Ross L. Mooney)