According to Piaget, at which of the following stages does a child begin, to think logically about abstract propositions?

[A] Concrete operational stage (07 - 11 years)

[B] Formal operational stage (11 years and up)

[C] Sensori-motor stage (Birth - 02 years)

[D] Pre-operational stage (02 - 07 years)

Answer & Explanation
Answer: Formal operational stage (11 years and up)

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