A representative and authoritative ‘state of the art ‘account of human development from conception to adolescence. Psychologists and others who study children’s development, also have different views of development. The way in which the development is defined, and the areas of development that are of interest to individual researchers, will lead them to use different methods of studying development. We will describe two such different views of development that have been offered by psychologists holding world views. The eminent developmental psychologist Richard Lerner defines a world view (also called a paradigm, model or world hypothesis) as a philosophical system of ideas that serves to organise a set or family of scientific theories and
