Cedrick is in Piaget's D.) FORMAL OPERATIONAL stage.
Piaget's Stages of Cognitive Development
1) Sensorimotor - From birth to age 2.
2) Preoperational - ages 2 to 7
3) Concrete Operational - ages 7 to 11
4) Formal Operational - ages 12 and up
Formal Operational Stage of Cognitive Development has these characteristics and changes:
* young adult begins to think abstractly and reason about hypothetical problems
* abstract thoughts emerges and issues involving moral, philosophical, ethical, social, and political concerns are considered and discussed
* young adult begins to use deductive reasoning from a general principle to a specific data.