Briñol and Petty XXXXXXXXXXconducted a study in which participants tried on headphones while listening to a persuasive editorial. Half of the participants shook their head side-to-side while...

Briñol and Petty (2003) conducted a study in which participants tried on headphones while listening to a persuasive editorial. Half of the participants shook their head side-to-side while listening; the other half nodded up-and-down while listening. Which group of participants expressed the greatest agreement with the arguments expressed in the editorial at the end of the study?

 a. The head-shakers who heard weak arguments in the editorial.

b. The head-shakers who heard strong arguments in the editorial.

c. The head-nodders who heard weak arguments in the editorial.

d. The head-nodders who heard strong arguments in the editorial.