Why Is It Difficult to Determine the Exact Information Capacity

Multiple Choice

Why is it difficult to determine the exact information capacity of short-term memory?​

A) The capacity of short-term memory is proportional to brain volume.
B) ​We can trade accuracy for greater capacity.
C) ​Short-term memory decays in less than a second.
D) ​Short-term memory can hold a nearly infinite amount of information.