Madeleine is 16 years old. She is able to think somewhat like a scientist, devising plans to solve problems and testing solutions. Which of Piaget's stages is Madeleine most likely in?

Formal Operational

Explanation:

It begins around 12 years old and it lasts into adulthood, during this stage teens will develop their ability to think abstractly, theoretically and to create a hypothesis, to do mathematical calculations, think creatively, create strategies and planning.

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