<Li> Mid Adolescence: 13 to 15 years and </Li> <Li> Late Adolescence: 15 to 18 years </Li> <P> The adolescent unconsciously explores questions such as "Who am I? Who do I want to be?" Like toddlers, adolescents must explore, test limits, become autonomous, and commit to an identity, or sense of self . Different roles, behaviors and ideologies must be tried out to select an identity . Role confusion and inability to choose vocation can result from a failure to achieve a sense of identity through, for example, friends . </P> <P> Early adulthood, according to theorists such as Erik Erikson, is a stage where development is mainly focused on maintaining relationships . Examples include creating bond of intimacy, sustaining friendships, and ultimately making a family . Some theorists state that development of intimacy skills rely on the resolution of previous developmental stages . A sense of identity gained in the previous stages is also necessary for intimacy to develop . If this skill is not learned the alternative is alienation, isolation, a fear of commitment, and the inability to depend on others . </P>

What are the developmental processes in human development