Mark conducts trainings on how to be a great public speaker. He always teaches his students that a speech should be brief, simple, and straight to the point, and unwanted words and phrases must be avoided. Which strategy does he focus on?

In many cases a self-concept is based on data which may have been true at one time, but are now obsolete.

a. true b. false

Jennifer, a professor of psychology, was recently asked to deliver a speech about human relationships. While addressing the group of college students, she started her speech with the statement, "Remember the times when there were no cell phones…" In this scenario, which of the following audience demographic characteristics is Jennifer ignoring?

A) ?Sex B) ?Ethnicity C) ?Age D) ?Occupation