Final answer:
Ego identity is the term most closely associated with Erikson's notion of identity. According to Erikson's theory, adolescents go through a stage where they develop a sense of self and explore different roles. Those who navigate this stage successfully develop a strong sense of identity.
Step-by-step explanation:
The term most closely associated with Erikson's notion of identity is Ego identity. According to Erikson's psychosocial theory, the main task of adolescence is developing a sense of self or identity. Adolescents explore different roles and try to answer questions like 'Who am I?' and 'What do I want to do with my life?' Those who successfully navigate this stage develop a strong sense of identity.