You Suspect That a Young Child Is in Piaget's Preoperational

Multiple Choice

You suspect that a young child is in Piaget's preoperational stage. Which of the following would you look for to confirm your suspicion?

A) a lack of object permanence
B) the ability to think abstractly and form hypotheses
C) success at a conservation task
D) failure with the three-mountain problem
E) evidence of proximal development