How is risk-taking behavior—white water rafting, flying a plane, driving too fast—similar to delivering public presentations? 

If you see a friend across a parking lot and decide to wave at them rather than yell hello, which of the following types of nonverbal behavior did you use?

A. illustrator B. affect displays C. adaptor D. emblems

Which of the following is NOT a test of evidence?

A. Is the evidence consistent with other known facts? B. Are the statistics from a reliable source? C. Does the evidence come from unbiased sources? D. Is this a proposition of fact, value, or policy?