Both Piaget and Elkind recognize that egocentrism applies to all developmental stages from infancy to childhood, to adolescence to adulthood and beyond.
47.
However at each developmental stage, egocentrism manifests its characteristics in different ways, depending on the end goals of that particular stage.
48.
Egocentrism can be seen in an experiment performed by Piaget and Swiss developmental psychologist B�rbel Inhelder, known as the three-mountain problem.
49.
Frankenberger tested adolescents ( 14 18 years old ) and adults ( 20 89 ) on their levels of egocentrism and self-consciousness.
50.
Support for the hypothesis that egocentrism, and the personality fable more specifically, predict risk-taking behaviours is considerable in North America.