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The researcher who first articulated key underlying principles of lifespan development exist psychologist Paul Baltes.

Who is Paul Baltes?

German psychologist Paul B. Baltes had a comprehensive scientific agenda that focused on establishing and advocating for the life-span orientation of human development. He also developed theories in the area of ageing psychology. The contextualism paradigm in Baltes' theory refers to the assumption that three biological and environmental systems interact to influence development. Development takes place in a context and differs from person to person depending on elements including biology, family, school, church, and profession.

The lifespan perspective is one of the methods for examining development that was created by German psychologist Paul Baltes, a recognized authority on lifespan development and ageing. This strategy is founded on several important tenets: One develops continuously or over the course of their entire life.

The study of lifespan development focuses on how people develop and change from conception to death. Developmental psychologists research this area of psychology. According to them, there are three developmental domains—physical development, cognitive development, and psychosocial development—that may be scientifically investigated as a lifelong process.

Hence, The researcher who first articulated key underlying principles of lifespan development exist psychologist Paul Baltes.

To learn more about Paul Baltes refer to:

https://brainly.com/question/14050761

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