ABSTRACT
This chapter aims to provide basic knowledge on central concepts within the literature on the self, self-concept, self-esteem, and identity. It also aims to give an understanding of the importance of the adolescent period for the development of self-concept and identity. The chapter presents an overview of the empirical research done in these areas. It also presents models of self-concept and self-esteem and research on gender differences, on change and stability, and on selected areas of influence. The challenges of puberty may more generally be associated with discrepancies between the young adolescent’s perception of himself in terms of maturation and the reactions from adults. Different aspects of pubertal timing and of weight have been examined in relation to global negative self-evaluations, body image, and perceived instability of self-concept. Self-concept and self-esteem are quite interesting from a developmental perspective because of their likely centrality to an individual’s general adjustment, quality of life, and planning for the future.
