Speaker’s clarity and enunciation refer to articulation

Jenna believes that she doesn't have an aptitude for statistics, so doesn't put much effort into her statistics class. She performs poorly in the class, supporting her initial belief. This is an example of a(n):

A) ?reflected appraisal. B) ?direct definition. C) ?identity script. D) ?self-fulfilling prophecy. E) ?social comparison.

In persuasion or social influence, the "principal of reciprocity" is useful. Which of the following best explains this principal?

A. Do something good for others, and they are more likely to do something good for you. B. Stick to your position without compromise for the best result. C. If you don't make the rules, then you will be the one obeying them. D. Let your opponent know from the beginning that you plan to stand firm on the issue.