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Striving for personal goals is one important aspect of composing one’s life within a developmental context. In this realm, personal life investment (PLI) measures the amount of energy (action and thought) that people report investing in central life domains. This study aimed at understanding the functional relations of PLI, its development between 70 and over 100 years, and its role for successful aging. Obligatory and optional PLI were distinguished to differentiate between life domains where older individuals need to invest energy to maintain a basis for their development and domains that allow for many more degrees of freedom as to where and when to invest. Cross-sectional and longitudinal data from the Berlin Aging Study showed that optional PLI, in contrast to obligatory PLI, had only positive motivational and affective correlates, declined between age 80 and 90, and contributed to successful aging as long as older people had enough resources to invest in optional domains. Curriculum Vitae Ines Schindler studied psychology at Humboldt University Berlin until August 2000. In 2005, she completed the present dissertation at Dresden University of Technology. Her research interests include processes of life composition and successful development across the lifespan (with a focus on development in adulthood and old age) and statistical methods for longitudinal research.
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Late life development of personal life investment, Ines Schindler
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- 2005
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