Ebbinghaus studied a list of nonsense syllables until he knew the list perfectly and then measured the rate at which he forgot the list. What did he find?
A. A specific number of syllables were lost per minute, and the loss was linear
B. Performance was high at first, then dropped off, then rose again
C. Most of the syllables were retained for several hours before being quickly lost over long delays
D. Performance dropped quickly at first but then leveled off over time