Theorists who have developed a lifespan approach to development. Freud’s approach to development was psychosexual while Erikson’s was psychosocial Erikson and Freud are two of the few theorists who have developed a lifespan approach to development. Freud’s approach to development was psychosexual while Erikson’s was psychosocial. Even though Freud’s theory is better known, Erikson’s theory …