Final answer:
The core domain that includes a person's feelings about themselves and their worth is Self-esteem (A). It is a fundamental part of self-concept and an essential aspect of psychological health and development, particularly during adolescence as per Erikson's theory.
Step-by-step explanation:
The core domain that includes a person's feelings about themselves and their worth is Self-esteem (A). Self-esteem refers to how individuals perceive and value themselves. It is a crucial component of one's self-concept, which is the full understanding of oneself, encompassing self-image, abilities, and worth.
According to theories such as those proposed by Carl Rogers and Abraham Maslow, self-esteem is vital for psychological development and well-being. Rogers discussed the congruence between the ideal self (who we would like to be) and the real self (who we actually are), highlighting that a higher congruence leads to better self-worth and life outcomes. Maslow included esteem needs in his Hierarchy of Needs, which must be met for individuals to progress toward self-actualization.
Furthermore, the development of self-esteem is a central task during adolescence, as outlined in Erik Erikson's theory of psychosocial development. During this stage, adolescents are focused on forming an identity, which greatly influences their self-esteem as they internalize perceptions of their strengths and weaknesses.