This document discusses human developmental stages from adolescence through late adulthood according to Erik Erikson's psychosocial stages of development and Robert Havighurst's developmental tasks. It provides an overview of each stage outlining the basic conflict or crisis, important events, virtues developed, descriptions, and potential outcomes. Charts are included that summarize Erikson's 8 stages of development from infancy through late adulthood and Havighurst's developmental tasks during the lifespan from infancy through late maturity. The document concludes with an activity asking readers to assess their own development based on the developmental tasks for their current age group.