Baddeley & Hitch (1974)report an Experiment in Which Participants Were

Multiple Choice

Baddeley & Hitch (1974) report an experiment in which participants were to perform a reasoning task of various difficulty ("A precedes B" T/F? "B does not precede A" T/F? etc.) .In addition to this primary task they were to repeat "the the the," repeatedly count from 1 to 6,or repeat a set of random digits.Performance was compared against single-task performance.

A) The dual-task demands affected each difficulty condition equally.
B) The dual-task demands of the verbal task did not affect reasoning performance.
C) The dual-task demands were particularly pronounced for the negative passive condition.
D) The dual-task demands were particularly pronounced when the second task was the random digit task,especially in the negative passive condition.