Final answer:
In Erikson's theory, early adulthood is characterized by the challenge of intimacy versus isolation, where individuals seek to form close relationships while embracing new societal roles such as marriage and career.
Step-by-step explanation:
The stage of early adulthood in Erikson's theory, which spans from the 20s to early 30s, is characterized by the psychosocial crisis of intimacy versus isolation. During this period, adults seek to form intimate relationships with others, including friendships and romantic partnerships. This is a crucial time for individuals to establish a strong sense of self-identity, as it lays the foundation for the capacity to build close, intimate bonds with others. Those who are unable to do so may experience feelings of loneliness and emotional isolation. Furthermore, early adulthood is often marked by individuals completing their education, starting their careers, and potentially entering into marriage or civil unions. The primary challenge in this stage is learning to leave behind certain youthful behaviors in favor of responsibility and commitment, as societal expectations shift.