According to Erik Erikson, the primary task in adolescence is development of

Ego integrity is a concept relevant to Erikson's final stage of development, which occurs in late adulthood. It involves reflecting on one’s life and achieving a sense of fulfillment and acceptance rather than focusing on identity formation, which is specific to adolescence.

While self-esteem can be influenced by identity development, it is not the primary focus of Erikson's adolescent stage. Adolescents may struggle with self-esteem as they explore their identity, but the core task is to establish a clear sense of who they are, rather than simply boosting self-worth.

Self-concept refers to how individuals perceive themselves, which is indeed developed during adolescence. However, Erikson specifically emphasizes identity formation as the main psychosocial challenge, making self-concept a secondary consideration in this context.

Autonomy is a critical aspect of development in adolescence, relating to independence and self-governance. However, it serves as a component of identity formation rather than the primary task itself. Erikson highlights identity as the key focus during this developmental stage.