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The theory considers the lifelong accumulation of developmental additions and subtractions, with the relative proportion of gains to losses diminishing over an individual's lifetime. [14] According to this theory, life span development has multiple trajectories (positive, negative, stable) and causes (biological, psychological, social, and ...
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.
Specifically, the neo-Piagetian theories of cognitive development showed that the successive levels or stages of cognitive development are associated with increasing processing efficiency and working memory capacity. These increases explain differences between stages, progression to higher stages, and individual differences of children who are ...
Neo-Piagetian theories criticize and build on Piaget's work. Juan Pascaual-Leone was the first to propose a neo-Piagetian stage theory. Since that time several neo-Piagetian theories of cognitive development have been proposed. [12] These include the theories of Robbie Case, Grame Halford, Andreas Demetriou and Kurt W. Fischer.
Heckhausen worked with Richard Schulz and formulated the life-span theory of control, their journal article was published in 1995 as A life-span theory of control. [2] Further developments of their conceptual framework into a motivational theory of life-span development were published with co-author Carsten Wrosch in 2010 and 2019.
The gemsbok (Oryx gazella), or South African oryx, is a large antelope in the genus Oryx. It is endemic to the dry and barren regions of Botswana , Namibia , South Africa and (parts of) Zimbabwe , mainly inhabiting the Kalahari and Namib Deserts , areas in which it is supremely adapted for survival.
Developmental systems theory (DST) is an overarching theoretical perspective on biological development, heredity, and evolution. [1] It emphasizes the shared contributions of genes , environment, and epigenetic factors on developmental processes.
Loevinger's stages of ego development are proposed by developmental psychologist Jane Loevinger (1918–2008) and conceptualize a theory based on Erik Erikson's psychosocial model and the works of Harry Stack Sullivan (1892–1949) in which "the ego was theorized to mature and evolve through stages across the lifespan as a result of a dynamic interaction between the inner self and the outer ...