Carl can correctly answer a question such as, If all flegs are ...

[mynx]

Carl can correctly answer a question such as, If all flegs are blats, and if all blats are dulms, are all flegs also dulms? From Piaget's perspective, Carl must be in which one of the following stages of cognitive development?
 
  a. Preoperational
  b. Formal operational
  c. Sensorimotor
  d. Concrete operational

Question 2

Roger is shown two piles of sand and says that each pile has the same amount. However, when one pile is flattened with a shovel, he now claims emphatically that the flattened pile has less sand. Based on this information, Roger is probably in which of Piaget's stages of development?
 
  a. concrete operations
  b. sensorimotor
  c. formal operations
  d. preoperational

[verrinzo]

Answer to Question 1

b

Answer to Question 2

d

[mynx]

Excellent

[bitingbit]

Gracias!