Piaget

Sally cries every time that her Dad plays “Peek-A-Boo” with her because she believes that every time he puts his hands over her eyes he have disappeared.

• Sensorimotor

• Preoperational

• Concrete operational

• Formal operational

Justin enjoys discussing the philosophies of political candidates and the meaning of virtue and honor.

• Sensorimotor

• Preoperational

• Concrete operational

• Formal operational

Adrienne likes to play “school” with her friends; they enjoy taking on the roles of the different people, teachers, students, and principal and act out what they see in others behaviors.

• Sensorimotor

• Preoperational

• Concrete operational

• Formal operational

Jennifer understands that when her babysitter cuts her sandwich in half that she does not have twice as much sandwich to eat but rather it has just been cut in half. She did not understand this 6 months ago.

• Sensorimotor

• Preoperational

• Concrete operational

• Formal operational

When Shelia’s baby doll fell off the couch and under the coffee table, Shelia thought that her baby doll no longer existed.

• Sensorimotor

• Preoperational

• Concrete operational

• Formal operational

Aiden just complete his first play based on the morality of a teenager going through and existential crisis.

• Sensorimotor

• Preoperational

• Concrete operational

• Formal operational

Lexi loves her Barbie dolls and takes them everywhere with her because she thinks that her Barbie’s feelings will be hurt if she does not

• Sensorimotor

• Preoperational

• Concrete operational

• Formal operational

Andrew knows that changing the shape of something does not necessarily change the mass.

• Sensorimotor

• Preoperational

• Concrete operational

• Formal operational

Darren can think only in one dimension.

• Sensorimotor

• Preoperational

• Concrete operational

• Formal operational