While on the phone, your friend tries to get your attention. Instead of telling your friend to "Wait a minute," you hold up your index finger in his or her direction. In this instance, you use a nonverbal cue to _____ the verbal cue.

A good rule of thumb is, if the last _______ of your scheduled research time has brought greatly diminished results, it is time to conclude your research

a. 10% b. 25% c. 50% d. 75%

When checking the balance or proportion of your speech, it is okay if one main point has five subpoints and another has two

Indicate whether the statement is true or false