Ebbinghaus Forgot Materials Very Rapidly, but Most College Students Forget

Multiple Choice

Ebbinghaus forgot materials very rapidly, but most college students forget the same materials much more slowly. Why?

A) College students are, on the average, more intelligent.
B) College students have had more practice at memorizing useless information.
C) Ebbinghaus was suffering from greater proactive interference.
D) Ebbinghaus was beginning to develop Alzheimer's disease.