To Pass the Time One Day, Keisha Multiplies 2 by 2

Multiple Choice

To pass the time one day, Keisha multiplies 2 by 2 by 2 by 2 ... and so on, on her calculator. She observes that the products increase in size more dramatically with each calculation. A few weeks later, when her math teacher explains what it means for something to increase exponentially, Keisha realizes that she has already discovered this idea on her own, and she remembers it better as a result. Which one of the following concepts best characterizes Keisha's enhanced understanding of an exponential increase?

A) The generation effect
B) Internal organization
C) A meaningful learning set
D) Implicit knowledge