Multiple Choice
Frank has been asked to complete Piaget's pendulum problem. He comes up with some hypotheses and then systematically tests each variable. First, he holds the length of the string and the amount of weight constant and varies the height at which oscillation is started then he moves on to examining the other variables. Frank is in which stage of Piaget's cognitive developmental theory?
A) sensorimotor stage
B) preoperations
C) concrete operations
D) formal operations
Correct Answer:

Verified
Correct Answer:
Verified
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