According to Daniel Levinson, in the transitional stage of late adulthood, individuals realize that they are old.
He developed the theory of the structure of life, referring to the patterns of perception, behaviors and motivations that individuals go through according to their age, separating the stages of adult life into early, middle and late adulthood.
Therefore, Daniel Levinson's theories of development help in a more comprehensive understanding of certain personality characteristics observed at different ages.
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