Testimonials usually lead to negative emotions

A speech that is delivered using oral style instead of written style will be more appealing to the audience. All of the following statements about oral style is true EXCEPT that:

a. oral style tends to be more immediate and more active b. effective oral style is more personal c. oral style is more formal d. oral style can include the use of colloquial words and relaxed expressions when appropriate

Alex couldn't concentrate on the professor's lecture because

the lights kept flickering on and off. This is an example of a(n) __________ barrier. a. psychological b. linguistic c. environmental d. physiological