Discuss the impressions given by a speaker who does each of the following: 
a. Rocks back and forth on his or her feet.
b. Scans the audience by looking above members’ heads.
c. Sits on the meeting table or a desk while speaking.
d. Uses filler words like “umm” and “ah” throughout the presentation.
e. Ends his or her presentation by saying, “Well, I guess that’s it.”
f. Constantly runs fingers through his or her hair.