Wells and Petty (1980)videotaped Students as They Listened to a Speech.What

Wells and Petty (1980) videotaped students as they listened to a speech.What did their results indicate?

A) Students revealed the intensity,but not the direction,of their attitudes through their body language.
B) Students' self-reported attitudes did not agree with their observed attitudes.
C) Students signalled their attitudes by nodding or shaking their heads.
D) Horizontal head movements indicate agreement,whereas vertical head movements indicate disagreement.