Child Development Timeline

  • 428 BCE

    Plato

    Born circa 428 B.C.E
    Plato's Theory of Knowledge: Knowledge is a justified, true belief
  • John Locke

    He defended the claim that men are by nature free and equal against claims that God had made all people naturally subject to a monarch.
  • Jean Rousseau

    Believed that children are born naturally good.
  • Sigmund Freud

    He was considered the father of psychology.
  • Maria Montessori

    Theory: Children develop at their own pace and gain knowledge by actively using their senses.
  • Arnold Gesell

    Est. the normative theory. Children are who they are when they're born
  • Jean Piaget

    Children's intellectual development proceeds through stages as they adapt to physical enviorment.
  • Erik Erikson

    Personality develops according to how a person responds to psychology crises at certain stages of life.
  • B.F Skinner

    Studied behavior modification using positive and negative reinforcement.
  • Benjamin Bloom

    Studied mystery-learning.
  • Period: to

    President Obama

    called on Congress to expand access to high-quality preschool to every child in America, called The Preschool for All initiative.