“…Two auditory tasks or two visual tasks tend to interfere with each other more than an auditory task and a visual task would (e.g., Baddeley & Lieberman, 1980;Brooks, 1968Brooks, , 1970Proctor, 1978;Rollins & Hendricks, 1980;Segal & Fusella, 1970). Therefore, it is reasonable to suppose that when the to-be-recalled items are stored in auditory short-term memory, speaking the prefix would impair recall more than writing the prefix, whereas when the items are stored in visual short-term memory, writing the prefix would impair recall more than speaking the prefix.…”