What is the objective of a speech to persuade?

Before moving to your next point in your presentation you say, "We have discussed what sleep deprivation is and why it can be a problem for college students." This is an example of a(n) _____

a. internal preview b. internal summary c. initial preview d. final summary

What statement is correct about the process of perception?

A. Perception is a simple process. B. Perception is universal. C. Perception involves selecting, organizing, and interpreting information. D. Perception of a single communication event provides a complete picture.