Erik Erikson was an ego psychologist that patterned his theories after Freud. Erikson strongly felt that culture and society have an effect on the ego and that a struggle or conflict can begin. Erik Erikson designed a model of development that has 5 stages of psychosocial development that extend through childhood.
Eric Erickson's Psychosocial Development Chart- The most widely accepted theory of how human beings develop from infancy to old age is Erik Erikson's stages of psychosocial development. At each stage, there is a crisis to be resolved and a virtue to be gained. According to the theory, failure to properly master each step leads to problems in the future.