When Can We Expect to See Interference Between Visual and Auditory

Multiple Choice

When can we expect to see interference between visual and auditory working memory tasks?

A) when the tasks are so easy that each task can be performed by the other system
B) only when the concurrent tasks occur simultaneously
C) when the tasks are difficult enough that they require allocation of attentional resources by the central executive
D) when participants expect that visual images will interfere with visual processing