Cacioppo and Colleagues Measured Students' Need for Cognition and Then

Cacioppo and colleagues measured students' need for cognition and then asked them to read an editorial supposedly written by a journalism student arguing all seniors should be required to pass a comprehensive exam to graduate.This argument was highly relevant to all participants.Half of the participants read strong arguments for the exam,and the other half read unconvincing arguments for the exam.Which of the following did the results NOT include?

A) Participants were more favorable toward the exam when it was supported by strong arguments.
B) Participants high in need for cognition were especially likely to approve of the proposal when it was supported by strong arguments.
C) Participants high in need for cognition were especially likely to disapprove of the proposal when it was supported by weak arguments.
D) All participants processed the arguments through the central route to persuasion.