What findings in psychology support the stage theory of development and the idea of stability in personality across the lifespan? what findings challenge these ideas?
Stage theory is supported by the works of Piaget (cognitive development), Kohlberg (moral development) and Erickson (mental development), but for these theorists it has been found that change is more gradual and less culturally universal.
Some traits, such as nature, exhibit great stability over many years. But we also change in other ways, such as our social outlook
