Baltes, P. B., & Baltes, M. M. (1989). Optimierung durch Selektion und Kompensation. Zeitschrift für Pädagogik, 35, 85–105.

Baltes, P. B., & Baltes, M. M. (1989). Erfolgreiches Altern: Mehr Jahre und mehr Leben [Successful aging: Add life to years]. Zeitschrift für Gerontopsychologie und -psychiatrie, 2(1-3), 5–10.

Baltes, P. B., Sowarka, D., & Kliegl, R. (1989). Cognitive training research on fluid intelligence in old age: What can older adults achieve by themselves? Psychology and Aging, 4(2), 217–221.

Chapman, M., & Lindenberger, U. (1989). Concrete operations and attentional capacity. Journal of Experimental Child Psychology, 47, 236–258.

Heckhausen, J., Dixon, R. A., & Baltes, P. B. (1989). Gains and losses in development throughout adulthood as perceived by different adult age groups. Developmental Psychology, 25(1), 109–121.

Kliegl, R., Smith, J., & Baltes, P. B. (1989). Testing-the-limits and the study of adult age differences in cognitive plasticity of a mnemonic skill. Developmental Psychology, 25(2), 247–256.

Lindenberger, U., Smith, J., & Baltes, P. B. (1989). Das Altern der Intelligenz: Möglichkeiten und Grenzen [Intellectual aging: Potential and limits]. Münchener Medizinische Wochenschrift, 131(6), 93–96.

Staudinger, U. M., Cornelius, S. W., & Baltes, P. B. (1989). The aging of intelligence: potential and limits. The Annals of the American Academy of Political and Social Science, 503, 43–59.

Baltes, P. B., & Kliegl, R. (1988). Lernen und Gedächtnis im Alter: Über Plastizität und deren Grenzen. Natur- und Ganzheitsmedizin, (2), 39–44.

Baltes, P. B., Kliegl, R., & Dittmann-Kohli, F. (1988). On the locus of training gains in research on the plasticity of fluid intelligence in old age. Journal of Educational Psychology, 80(3), p. 392-p. 400.

Baltes, P. B., & Lindenberger, U. (1988). On the range of cognitive plasticity in old age as a function of experience: 15 years of intervention research. Behavior Therapy, 19, 283–300.

Chapman, M., & Lindenberger, U. (1988). Functions, operations, and décalage in the development of transitivity. Developmental Psychology, 24, 542–551.

Skinner, E. A., Chapman, M., & Baltes, P. B. (1988). Children's beliefs about control, means-ends, and agency: Developmental differences during middle childhood. International Journal of Behavioral Development, 11(3), 369–388.

Skinner, E. A., Chapman, M., & Baltes, P. B. (1988). Control, means-ends, and agency beliefs: A new conceptualization and its measurement during childhood. Journal of Personality and Social Psychology, 54(1), 117–133.

Baltes, P. B. (1987). Theoretical propositions of life-span developmental psychology: On the dynamics between growth and decline. Developmental Psychology, 23(5), 611–626.

Baltes, P. B., & Reese, H. W. (1987). Elämänkaaren Näkökulma Kehityspsykologiassa [The life-span perspective in developmental psychology]. Jyväskylän Yliopiston Psykologian Laitoksen Julkaisuja, 289, 113–165.

Kliegl, R., Smith, J., Heckhausen, J., & Baltes, P. B. (1987). Mnemonic training for the acquisition of skilled digit memory. Cognition and Instruction, 4, 203–223.

Wagner, G. G. (1987). Sport as a means for reducing the cost of illness: Some theoretical, statistical and empirical remarks. International Review for the Sociology of Sport, 22(3), 217–228.

Baltes, P. B. (1986). L'arco della vita come prospettiva in psicologia evolutiva. Età Evolutiva, 23, 66–96.

Baltes, P. B. (1986). Theoretical propositions of life-span developmental psychology: On the dynamics between growth and decline [Chinese translation]. Information on Psychology, 3, 1–15.