Characteristics of Lifespan Development
Chronological Age
Rules and Expectations About Age Related Behaviours
What do Developmentalists Do?
Three Age Related Changes
Development is . . .
Three designs to study Age Related Changes
Cross-Sectional Designs
Longitudinal Designs
Practice Effects
Sequential Designs

Six Methods to Collect Data when studying Age Related Change
Case Study
eg: 7-Up or Psychoanalysis
Interviews
eg: 7-Up, Piaget’s cognitive developent, Kohlberg’s moral development
Observational Studies
Psychological Tests
Surveys
Physiological Measures
Human Developmental Theories
Psychoanalytic Theorists
Behavioural Theorists
Cognitive Theorists
Freud’s Developmental Stages
Erickson’s Stages of Developent