When presented with Piaget’s conservation tasks, 9-year-old Ramon demonstrates reversibility. This means that Ramon can ________
A) focus on several aspects of a problem and then center on just one
B) think through a series of steps and then mentally reverse direction
C) order items along a quantitative dimension, such as length or weight
D) focus on relations between a general category and two specific categories at the same time
Answer: B
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Your little sister picks up objects, feels every part of them, and then puts them in her mouth. What stage of Jean Piaget's model of cognitive development does this behaviour suggest she is in?
a. Formal operational b. Preoperational c. Sensorimotor d. Concrete operational
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a. In the earliest preparations for movements b. Preceding activity in the prefrontal cortex c. At or after the end of movements d. During movements
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Indicate whether the statement is true or false