Examlex
The amount of error in a poll that results from interviewing a group of people rather than the whole population under study is referred to as ______________________.
Attention-Getting Device
A technique or element used to capture and hold an audience's focus.
Credibility
The quality of being trusted and believed in; the reliability and authority of a source or individual.
Preview of the Message
An initial overview or brief insight into the content or main points of a message before it is fully engaged with.
Approach
A method or way of dealing with a problem or task.
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