What was learned from the memory research by Peterson and Peterson (1959) using the three consonants?

a) Utilizing chunking as a memory strategy can help to increase the capacity of our long-term memory.
b) The researchers found that eidetic imagery is much more common than once thought.
c) Peterson and Peterson clearly demonstrated that there is a difference in the process of storing highly emotional versus mundane personal experiences.
d) Any interruption in rehearsal can easily cause us to forget at least some of the information that was in our short-term memory.

Answer: d