Cognitive development
Erik Erickson

Erikson worked with Freud but unlike Freud, Erikson focused on Biological, Psychological, and social factors in human development. Each stage is rooted in some kind of competence, or perceived ability to do things.

Each stage is defined by 2 conflicting psychological tendencies and by what traits develop in the stage dependent on how much of each tendency was experienced. There are virtues that develop in healthy circumstances and maladaptations that develop in unhealthy circumstances. It consists of 8 stages. While the conflicting tendencies may appear to be good versus bad. They can be considered as a balance where most healthy individuals experience some of each.
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