If you want to know more about all this I recommend you read about Freud, not Erikson, and I repeat that understanding Freud's psychosexual theory is not required for understanding and using Erikson's concepts. Huffman, K.
Emotional development in the context of conflict: the indirect effects of interparental violence on children. You might also describe this sort of crisis as an internal struggle or challenge which a person must negotiate and deal with in order to grow and develop.
I surprising found analyzing myself very difficult, but it has proven to be a very interesting learning experience. Success leads to feelings of usefulness and accomplishment, while failure results in shallow involvement in the world. Psychosocial is a word used to describe how a child develops through social interaction within his environment, and how this has an impact on child development Carpenter, et al.
Erikson was able to do this because of his strong interest and compassion for people, especially young people, and also because his research was carried out among human societies far removed from the more inward-looking world of the psychoanalyst's couch, which was essentially Freud's approach.
If given this opportunity, children develop a sense of initiative and feel secure in their ability to lead others and make decisions.