1973

Willis, S. L. (1973). Formation of teachers’ expectations of students’ academic performance. Paper presented at meeting of American Educational Research Association, New Orleans, LA.

1974

Willis, S. L. (1974). Formative evaluation in a cognitive developmental program for young children. Paper presented at Fourth Special Invitational Interdisciplinary Seminar: Piagetian Theory and its Implications for the Helping Professions, University of Southern California, Los Angeles, CA.

Willis, S. L. (1974). Person perception and impression formation in an educational setting. Paper presented at 18th International Congress of Applied Psychology, Montreal, Canada.

Willis, S. L. (1974, August). Intelligence tests: Is age a relevant variable throughout the life span. Round Table Symposium of Divisions 7 & 20 conducted at the meeting of American Psychological Association, New Orleans, LA.

1975

Denney, N., & Willis, S. L. (1975, June). Intervention research in cognitive problem solving in the elderly. Paper presented at meeting of Tenth International Congress on Gerontology, Israel.

Plemons, J., Baltes, P., & Willis, S. L. (1975, November). The enhancement of fluid intelligence in the elderly. Paper presented at meeting of Gerontology Society, Louisville, KY.

Willis, S. L. (1975, April). Application of a theory-based curriculum development system in early childhood education. Paper presented at the annual meeting of American Educational Research Association, Washington, DC.

Willis, S. L. (1975). A data collection system in a cognitive-developmental early childhood education program. Paper presented at Fifth Annual Symposium of Jean Piaget Society, Philadelphia, PA.

1976

Selig, H., Brophy, J., & Willis, S. L. (1976). Causal inferences of first grade teachers. Paper presented at meeting of American Educational Research Association, San Francisco, CA.

Willis, S. L. (1976, November). Crystallized and fluid intelligence: Current research perspectives. Symposium conducted at the annual meeting of the Gerontology Society, New York, NY.

1977

Willis, S. L. (1977, April). Contemporary approaches to learning in later adulthood. In S. L. Willis (Chair), Special Interest Group on Adult Education and Aging. Symposium conducted at the annual meeting of American Educational Research Association, New York, NY.

Willis, S. L, & Tamagawa, J. (1977). Perceptions of intelligence in early and later adulthood. Paper presented at meeting of Society for Research in Child Development, New Orleans, LA.

1978

Baltes, P. B., & Willis, S. L. (1978, February). Life-span developmental psychology cognitive functioning, and social policy. In M. W. Riley (Chair), Aging from birth to death. Symposium conducted at the annual meeting of the American Association for the Advancement of Science, Washington, DC.

Baltes, P. B., & Willis, S. L. (1978, November). Objectives and rationale of ADEPT: Theory-based longitudinal intervention research. In P. B. Baltes & S. L. Willis (Co-chair), Cognitive development and intervention in later adulthood: The Pennsylvania State University Adult Development and Enrichment Project (ADEPT). Symposium conducted at the 31st Annual Scientific Meeting of the Gerontological Society, Dallas, TX.

Hofland, B., Willis, S. L., & Baltes, P. B. (1978, November). Retesting and intraindividual training to personality dimensions. In P. B. Baltes & S. L. Willis (Co-chair), Cognitive development and intervention in later adulthood: The Pennsylvania State University Adult Development and Enrichment Project (ADEPT). Symposium conducted at the 31st Annual Scientific Meeting of the Gerontological Society, Dallas, TX.

Lachman, M. E., Baltes, P. B., Nesselroade, J. R., & Willis, S. L. (1978, November). Transfer of cognitive training to personality dimensions. In P. B. Baltes & S. L. Willis (Co-chair), Cognitive development and intervention in later adulthood: The Pennsylvania State University Adult Development and Enrichment Project (ADEPT). Symposium conducted at the 31st Annual Scientific Meeting of the Gerontological Society, Dallas, TX.

Willis, S. L. (1978, July). Intervention research and theory building in psychological aging. Paper presented at XIth International Congress of Gerontology, Tokyo, Japan.

Willis, S. L., Blieszner, R., Baltes, P. B. (1978, November). Training research on figural relations and induction abilities in aging: Short-term longitudinal studies. In P. B. Baltes & S. L. Willis (Co-chair), Cognitive development and intervention in later adulthood: The Pennsylvania State University Adult Development and Enrichment Project (ADEPT). Symposium conducted at the 31st Annual Scientific Meeting of the Gerontological Society, Dallas, TX.

Willis, S. L., Cornelius, S. W., Spiro, A., Nesselroade, J. R., & Baltes, P. B. (1978, November). A structural model of intelligence in later adulthood: The fluid and crystallized intelligence model revisited. In P. B. Baltes & S. L. Willis (Co-chair), Cognitive development and intervention in later adulthood: The Pennsylvania State University Adult Development and Enrichment Project (ADEPT). Symposium conducted at the 31st Annual Scientific Meeting of the Gerontological Society, Dallas, TX.

1979

Willis, S. L. (1979, July). Development and modifiability of adult intellectual performance: An examination of cognitive intervention in later adulthood. Paper presented at NATO International Conference on Intelligence and Learning, York, England.

Willis, S. L., & Baltes, P. B. (1979). Intelligence and cognitive ability. Paper presented at Symposium on Contemporary Issues in Cognitive Aging, American Psychological Association, New York, NY.