Why Were Nonsense Syllables Used in the Earliest Studies of Forgetting

Multiple Choice

Why were nonsense syllables used in the earliest studies of forgetting?

A) so that the stimulus materials were simple enough that even children could read and remember them
B) so that cross-cultural comparisons of memory could be investigated using speakers of different languages
C) so that the material did not have preexisting associations in memory
D) to reduce retroactive interference