Thirty Years Ago, It Took Margie Ten Hours to Learn

Multiple Choice

Thirty years ago, it took Margie ten hours to learn how to ride a bike. She has not ridden a bike since then. Now she is relearning how to ride a bike, but this time it takes her only five hours. Because it took her less time to relearn the skill than it took to learn it initially, Margie is demonstrating

A) the recency effect.
B) savings.
C) retroactive inhibition.
D) proactive inhibition.