Cacioppo and Petty (1981) recorded facial muscle activity of college students as they listened to a message with which they agreed or disagreed. The results of this study indicated that listening to a(n) ____ message increases activity in the ____
a. disagreeable? cheek muscles
b. disagreeable? chin muscles
c. agreeable? cheek muscles
d. agreeable? muscles in the forehead and brow area
c
Psychology