The document discusses the development of self-concept from childhood to adulthood. It begins by defining self-concept and its key components, including self-esteem, identity, body image, and the influence of school, age, and adolescence. It then examines how self-concept develops through cognitive and social changes. The characteristics of a positive self-concept are described as self-confidence, acceptance of criticism, goal-setting, and risk-taking. Finally, it identifies several factors that can influence self-concept, such as media, appearance, abuse, relationships, and life experiences.