Psychosocial Development:The theory that human development is influenced by both psychological factors (such as emotions, beliefs, and behaviors) and social factors (such as relationships, culture, and societal expectations).
Ego Identity: An individual's sense of self, including their values, beliefs, and goals, which develops through a series of psychosocial crises across the lifespan.
Psychosocial Crises: The conflicts or challenges that individuals face at different stages of development, which must be resolved in order to achieve a healthy sense of identity and move on to the next stage of growth.