Which of the following has NOT been shown to improve memory in a dependable way?

A) recalling the memory under hypnosis
B) increased depth of processing
C) decreased interference
D) distributing study sessions over time

Depth of Processing

A cognitive psychology theory that suggests the deeper the level at which information is thought about, the more likely it is to be remembered.

Hypnosis

A condition of deep attention resembling a trance, where suggestibility is increased, often applied in therapy.