Erikson constructed Psychosocial Development Theory. This theory has 8 stages. Each is vital to the Psychosocial development of a human.
Trust vs. Mistrust
Autonomy vs. Shame and Doubt
Initiative vs. Guilt
Industry vs. Inferiority
Identity vs. Identity Confusion
Intimacy vs. Isolation
Generativity vs. Stagnation
Integrity vs. Despair
If you don't succeed in one, it affects your social attitude dramatically for the negative.
Erik Erikson's theory of psychosocial development is one of the best-known theories of personality and development. Similar to Sigmund Freud, Erikson believed that personality develops in a series of predetermined stages. Unlike Freud's theory of psychosexual stages, Erikson's theory describes the impact of social experience across the whole lifespan. At each stage of development, Erikson described conflicts that act as turning points in life. You can find more information about Erikson's influential theory in the following resources:
The Links are all retrieved from about.com so am unsure about accuracy of that content and safety of sight as I have left them unchecked.
A developmental crisis
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Thorkell Leifsson.
Greenland.
Iceland.
Her name was Thjodhild.
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Thorkell Leifsson.
Erikson's lifespan theory proposes that psychosocial development occurs primarily as a result of self-recognition gained through crises or conflicts.
By Viking ship.
Thorkell Leifsson.
Greenland.