The finding that people who sleep after learning a list of nonsense syllables forget less than people who stay awake provides evidence that forgetting may involve

A) encoding failure.
B) repression.
C) implicit memory loss.
D) interference.

Nonsense Syllables

Strings of letters that do not follow grammatical rules and do not have meaning, used in memory and learning experiments.

Encoding Failure

The inability to recall specific information because of insufficient encoding of the information at the time of memory formation.

Repression

A defense mechanism where unpleasant thoughts, feelings, or desires are excluded from conscious awareness.