Waugh and Norman's Short-Term Memory (STM) Study Separated the Effects

Multiple Choice

Waugh and Norman's Short-Term Memory (STM) study separated the effects of decay from the effects of interference by independently manipulating

A) the number of intervening digits independently of the amount of time that elapsed between the digits.
B) the intensity of the stimulus independently of its duration.
C) the phonetic similarity of the digits independently of rehearsal time.
D) the amount of study time independently of the retention interval.