Multiple Choice
Leilani is in the period of formal operations and her sister Elise is in the period of concrete operations.When faced with Piaget's pendulum task, which is the most likely result?
A) Both Leilani and Elise will tinker with the system without systematically controlling variables.
B) Only Leilani will carefully test the effects of changing a single variable holding everything else constant.
C) Only Elise will carefully test the effects of changing a single variable holding everything else constant.
D) Both Leilani and Elise will carefully test the effects of changing a single variable holding everything else constant.
Correct Answer:

Verified
Correct Answer:
Verified
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