Which of the following is an effective central idea?
a. How safe is the radiation emitted by your cell
phone?
b. Negative aspects of cell phone radiation.
c. Cell phones emit tiny amounts of radiation, which
scientists believe may be linked to certain types of
brain cancer.
d. Cell phone radiation and radiation from
microwaves both contribute to brain cancer.
c
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Mutual eye contact, smiling, and leaning forward are all examples of immediacy behaviors
Indicate whether the statement is true or false
The time it takes a sound to decrease 60 dB-SPL after its steady-state sound level has stopped is known as:
a. reverberation time b. delay time c. release time d. stop time
One main purpose of visual aids is to
A. take the pressure off of the speaker. B. offer an alternative to the verbal message. C. reinforce the verbal message. D. draw audience attention away from speaker mistakes.
The depth of the relationship between readers and the magazine advertising they see is called
A. subliminal messaging. B. engagement. C. brand loyalty. D. affinity.