Waugh and Norman Used a Probe Memory Scan Task in Which

Multiple Choice

Waugh and Norman used a probe memory scan task in which subjects recalled a test digit following a probe. They found that the probability of recalling the test digit was determined by

A) the rate of presentation, supporting an interference theory.
B) the rate of presentation, supporting a decay theory.
C) the number of interfering items, supporting an interference theory.
D) the number of interfering items, supporting a decay theory.