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Nine-year-old Desi is in the _____ stage of cognitive development whereas her 15-year-old brother is likely in the _____ stage. Group of answer choices preoperational; concrete operations concrete operations; formal operations sensorimotor; preoperational formal operations; sensorimotor

User Alynurly
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9 yo would be concrete operational
15 yo would be formal logical operations
User RevolutionTech
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