Romy understands that if she has 4 pieces of pizza and we give her 2 more, she will have 6. However, ...

Romy understands that if she has 4 pieces of pizza and we give her 2 more, she will have 6. However, she does not know what happens if she has 6 and we take away 2. Piaget would say that Romy
 
  has demonstrated the concept of irreversibility.
  has exhibited centration.
  is thinking in a static way.
  has demonstrated a scaffold.

Question 2

Jake's father is taking him to the barber for his first real haircut. At first, Jake is excitedabout his first trip to the barber, but as soon as the barber makes the first cut in his hair, he becomes very upset and tells his father to make the barber
 
  stop. In spite of his father's
  efforts to assure Jake that his hair will grow back, Jake is exhibiting the concept of
 
  illogic.
  centration.
  egocentrism.
  irreversibility.

Question 3

To assume that the world is unchanging is to engage in
 
  magical thinking.
  static reasoning.
  centration.
  a focus on appearances only.

Question 4

Irreversibility refers to the preoperational child's tendency to
 
  focus on something other than appearances.
  use deductive reasoning to solve a problem.
  be unable to think backwards from a conclusion to the beginning.
  engage in centration when another solution is needed.