History of developmental psychology
1. Ancient times to Middle Ages - children seen as inherently evil, harsh discipline
2. Modern viewpoints - John Locke (tabula rasa), Jean-Jaques Rousseau (children inherently good, society bad)
3. 1800's - different stages of development according to age
4. Beginning with Freud and Piaget, early focus on child development
5. 1950's - Stanley Hall said there is a stage between childhood and adulthood called adolescence
6. Last 25 years - expanded focus to include physical, motor, cognitive, intellectual, emotional, personality, social, and moral changes throughout life span