Self-concept is a topic both well-known and heavily discussed by a number of professionals, including philosophers, psychologists, and educators. In addition, the ideas concerning self-concept have been implemented into various disciplines, such as psychology, sociology, education, and so forth. For example, the famed psychologist Carl Rogers described self-concept as the development of self-image and an individual's progress from an undifferentiated self to one fully differentiated. Relative to personality development, self-concept is viewed as being the cognitive or ...