1974

1. Willis, S. L., Cohen, A., & Clement, J. (1974). Formative evaluation in a cognitive developmental program for young children. In Proceedings of IVth invitational interdisciplinary seminar: Piagetian theory and its implications for the helping professions. Los Angeles: University of Southern California Press.

Willis, S. L, & Brophy, J. (1974). The origins of teacher’s attitudes towards young children. Journal of Educational Psychology, 66(4), 520-529.

1975

Barton, E. M., Plemons, J. K., Willis, S. L., & Baltes, P. B. (1975). Recent findings on adult and gerontological intelligence: Changing a stereotype of decline. American Behavioral Scientist, 19, 224-236.

1975

1976
Cohen, A. S., Peters, D., & Willis, S. L. (1976). The effects of early childhood education student teaching on program preferences, beliefs, and behaviors. Journal of Educational Research, 20, 15-20.

Willis, S. L. (1976). Formative evaluation in the cCgnitive Developmental Early Childhood Program. In S. Modgil, Piagetian research: Compilation and commentary, Vol. 4. Wales, England: National Foundation for Educational Research in England and Wales.

1977

Baltes, P. B., & Willis, S. L. (1977). Toward psychological theories of aging and development. In J. E. Birren & K. W. Schaie (Eds.), The handbook of the psychology of aging (pp. 128-154). New York: Van Nostrand-Reinhold.

Willis, S. L. (1977). Contemporary approaches to learning in later adulthood: A symposium. Educational Gerontology, 2, 365.

Willis, S. L., & Baltes, P. B. (1977). Adult gerontological intelligence and learning. In B. B. Wolman (Ed.), International encyclopedia of neurology, psychiatry, psychoanalysis, and psychology. New York: Aesculapius Publishers.

1978

Plemons, J. K., Willis, S. L., Baltes, P. B. (1978). Modifiability of fluid intelligence in aging: Short-term longitudinal training approach. Journal of Gerontology, 33, 224-231.

Schaie, K. W., & Willis, S. L. (1978). Life-span development: Implications for education.Life-span development: Implications for education.Life-span development: Implications for education. In L. Shulman (Ed.), Review of Research in Education (Vol. VI, pp. 120-156). Itasca, Ill.: F. E. Peacock.

1979

Baltes, P. B., & Willis, S. L. (1979). Life-span developmental psychology, cognitive functioning, and social policy. In M. W. Riley (Ed.), Aging from birth to death (pp. 15-46). Boulder, CO: Westview Press.

Baltes, P. B., & Willis, S. L. (1979). The critical importance of appropriate methodology in the study of aging: The sample case of psychometric intelligence. In F. Hoffmeister (Ed.), Brain function in old age (pp. 164-187). Heidelberg: Springer.