Answer:
Ego differentiation
Step-by-step explanation:
Robert Peck was a psychologist who focused his research on the psychosocial development through middle age and the way people this age construct their self and their ego to adjust society in a better way.
According to him, Integrity involved 3 tasks. One of these task was ego differentiation which consisted in finding other sources of self-worth (like family, community or friendships) for those who had invested heavily in their careers.
Therefore, according to Robert Peck, ego differentiation involves affirming self-worth through family, friendships, or community life for those who invested heavily in their careers.