Which of the following best describes the primary focus of Jean Piaget's research?

Which of the following best describes the function of a schema in cognitive psychology?

Shannon, the Johnson's newest baby, learned to call the family cat a “key-key.” Shannon's parents were surprised when she pointed to a skunk in the backyard and called it a “key-key.” What concept is best being illustrated in Shannon's case?

After Luke's father hides his teddy bear under a blanket, he does not attempt to retrieve it, believing it is gone. Which stage of Piaget's does Luke belong to?

Jorge's dad cut his hot dog into two pieces and his brother's into six pieces. Jorge does not get upset because he knows that even though it might look like his brother has more, they are both eating the same amount of food. Which concept does Jorge's case best illustrate?

Although both glasses contain the same amount of milk, 4-year-old Sally mistakenly believes that her short, wide glass contains less milk than her brother’s tall, narrow glass. Which stage of Piaget's does Sally belong to?

Billy believes grass grows out of the ground to protect him if he falls when he is playing outside. Which concept is best illustrated in Billy's case?

Beatriz and Bailey’s teacher ask if they know who is running for president and they each respond correctly. However, when the teacher asks about possible outcomes if a particular candidate were to be elected, the girls cannot think of an answer. Which stage do Beatriz and Bailey most likely belong to?

Bryant is planning to ask his mom if he can borrow her car tonight. He is thinking about all of the possible reasons she might say for not allowing him use the car, and planning a logical reply to each of these possible objections. Which stage does Bryant belong to?