Ian Is Four Months Old and Is Playing with a Ball.The

question 53

Multiple Choice

Ian is four months old and is playing with a ball.The ball is blocked from his view, and Ian behaves as if the ball no longer exists.According to Piaget, Ian is in which stage of cognitive development?

• A)sensorimotor stage
• B)preoperational stage
• C)concrete operational stage
• D)formal operational stage

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