The Serial Position Curve Has Been Important in Distinguishing Short-Term

The serial position curve has been important in distinguishing short-term memory from long-term memory because

A) the primacy effect may be explained as long-term memory and the recency effect as short-term memory
B) chunking explains the primacy and recency effect
C) rehearsal is very important in explaining both the primacy and recency effects
D) memory for primacy and recency items is about the same, but the middle items are poorly recalled