Erikson believed that the primary task of infancy is to develop a sense of trust in the world and in others. This is achieved through consistent and reliable caregiving.

Erikson believed that the primary task of early childhood is to develop a sense of autonomy, or the ability to make choices and act independently.

Erikson believed that the primary task of middle childhood is to develop a sense of initiative, or the ability to take on new challenges and set goals.

Erikson believed that the primary task of adolescence is to develop a sense of identity, or a clear understanding of who one is and what one wants out of life.

Erikson believed that the primary task of young adulthood is to develop a sense of intimacy, or the ability to form close, lasting relationships with others.

Erikson believed that the primary task of middle adulthood is to develop a sense of generativity, or the desire to contribute to the world and leave a lasting legacy.

Erikson believed that the primary task of late adulthood is to develop a sense of integrity, or a sense of wholeness and completeness in one's life.

Erikson believed that the first crisis of life occurs during infancy and is called trust vs. mistrust. This crisis is resolved when the infant develops a sense of trust in the world and in others.

Erikson believed that the second crisis of life occurs during early childhood and is called autonomy vs. shame and doubt. This crisis is resolved when the child develops a sense of autonomy, or the ability to make choices and act independently.

Erikson believed that the third crisis of life occurs during middle childhood and is called initiative vs. guilt. This crisis is resolved when the child develops a sense of initiative, or the ability to take on new challenges and set goals.

Erikson believed that the fourth crisis of life occurs during adolescence and is called identity vs. role confusion. This crisis is resolved when the adolescent develops a clear understanding of who they are and what they want out of life.

Erikson believed that the fifth crisis of life occurs during young adulthood and is called intimacy vs. isolation. This crisis is resolved when the young adult is able to form close, lasting relationships with others.

Erikson believed that the sixth crisis of life occurs during middle adulthood and is called generativity vs. stagnation. This crisis is resolved when the middle adult is able to contribute to the world and leave a lasting legacy.

Erikson believed that the seventh and final crisis of life occurs during late adulthood and is called integrity vs. despair. This crisis is resolved when the late adult is able to look back on their life with a sense of wholeness and completeness.

Erikson believed that the goal of psychosocial development is to achieve a sense of integrity, or a sense of wholeness and completeness in one's life.