Participants are asked to listen to a tape-recorded message and to shadow the message as they hear it. Which of the following tasks will be easiest to combine with this shadowing task?
a. viewing a series of printed words, followed by a test measuring memory for the words
b. simultaneously hearing a tape-recorded message, followed by a test measuring memory for the gist of the second message
c. simultaneously hearing a tape-recorded list of words, followed by a test measuring memory for the word list
d. viewing a series of pictures, followed by a test measuring memory for the pictures
