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Understanding human development can help you better understand your own life experiences and life course. It can foster enhanced self-understanding and personal growth. Beneficial societal change is possible and individuals and groups can change social institutions and policies for the better.
Another way to look at human development is through cognitive development theories. Cognitive development theories are concerned with the development of thought processes and how these thought processes influence our understanding of the world around us. A major figure in cognitive development theory is Jean Piaget.