May 18, 2018 · The seven developmental stages are known by various names, and it is beyond the scope of this article to give you a thorough understanding of adult developmental theory, but a Author: David Galowich. Jun 12, 2014 · Understanding adult development is an important step in the process of understanding how societies function. This lesson will focus on three theories of adult development proposed by .
Erikson’s psychosocial theory of development considers the impact of external factors, parents and society on personality development from childhood to adulthood. According to Erikson’s theory, every person must pass through a series of eight interrelated stages over the entire life cycle . 1. Infancy: Birth-18 Months Old. Oct 17, 2013 · In this lesson, we will look into his seven stages of adult development. Levinson's Adult Development Theory There's a saying that goes, 'The only thing constant is change.'.