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.
Question 2
What are the two components of the phonological loop?
a. visuospatial sketchpad and episodic buffer
b. articulatory store and phonological loop
c. phonological store and articulatory loop
d. fast and slow tracking