I would there were no age between sixteen and
three-and-twenty, or that youth would sleep out the
rest; for there is nothing in the between but
getting wenches with child, wronging the ancientry,
stealing, fighting—Hark you now!
The Winter’s Tale – Act III, Scene III
The set of all mental abilities and
processes related to knowledge.
11-13 years of age
• Growing capacity for abstract thought.
• Mostly interested in present with limited thought to
• Intellectual interests expand and become more
• Deeper moral thinking.
14-18 years of age
• Continued growth capacity for
• Greater capacity for setting goals.
• Interest in moral reasoning.
• Thinking about the meaning of life.
19-21 years of age
• Ability to think ideas through.
• Ability to delay gratification.
• Examination of inner experiences.
• Increased concern for future.
• Continued interest in moral reasoning.
Theory of Cognitive Development
•The Sensorimotor Stage
•The Preoperational Stage
•The Concrete Operational Stage
•The Formal Operational Stage
The Formal Operational Stage