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Developmental psychology is the scientific study of how and why humans grow, change, and adapt across the course of their lives. Originally concerned with infants and children, the field has expanded to include adolescence, adult development, aging, and the entire lifespan. [1]
Erikson's stages of psychosocial development, as articulated in the second half of the 20th century by Erik Erikson in collaboration with Joan Erikson, [1] is a comprehensive psychoanalytic theory that identifies a series of eight stages that a healthy developing individual should pass through from infancy to late adulthood .
v. t. e. In psychology, developmental stage theories are theories that divide psychological development into distinct stages which are characterized by qualitative differences in behavior. [1] There are several different views about psychological and physical development and how they proceed throughout the life span.
Paul B. Baltes (18 June 1939 – 7 November 2006) was a German psychologist whose broad scientific agenda was devoted to establishing and promoting the life-span orientation of human development. He was also a theorist in the field of the psychology of aging. He has been described by American Psychologist as one of the most influential ...
Adult development encompasses the changes that occur in biological and psychological domains of human life from the end of adolescence until the end of one's life. Changes occur at the cellular level and are partially explained by biological theories of adult development and aging. [1] Biological changes influence psychological and ...
Overview[edit] Ecological systems theory describes a scientific approach to studying lifespan development that emphasizes the interrelationship of different developmental processes (e.g., cognitive, social, biological). It is characterized by its emphasis on naturalistic and quasi-experimental studies, [6] although several important studies using this framework use experimental methodology. [2 ...
The method encompasses observations including history, sociology, demography, developmental psychology, biology, public health and economics. So far, empirical research from a life course perspective has not resulted in the development of a formal theory.
Emerging adulthood, early adulthood, or post-adolescence refers to a phase of the life span between late adolescence and early adulthood, as initially proposed by Jeffrey Arnett in a 2000 article from the American Psychologist. [1] [2] It primarily describes people living in developed countries, but it is also experienced by young adults in ...