Key Principles

  Description of Principles

Life Span Development

• Human development and aging are lifelong processes
• Development continues through adulthood
• Multiple trajectories are possible

Agency

• Individuals construct their own life course
• Decisions and actions they take will affect their life courses
• Actions and choices may be constrained due to social circumstances

Historical Time
and Place

• Life Course is shaped by historical times and places over a lifetime

Timing

• Developmental consequences of life transitions, events, and behavior
  patterns vary according to their timing in a person's life

Linked Lives

• Lives are lived interdependently
• Choices are influenced by the people with whom we live