John was shown a ball of string, then the teacher unraveled it so the string became one long piece that was more than 10 feet long. John knows that the ball of string has the same amount of string as when it is unraveled into one long piece. Which stage of Piaget's cognitive development is John exhibiting?
A) sensory operation
B) formal operation
C) conservation
D) stability

Question

Quizplus · Accepted Answer

John is exhibiting the concept of conservation, which is the understanding that quantity remains the same despite changes in shape or appearance. This concept is typically developed during the concrete operational stage of Piaget's cognitive development theory.

John Was Shown a Ball of String, Then the Teacher