The ________ dimension of source credibility means that highly credible sources are perceived as having knowledge and experience regarding the topic they address and therefore are credible. This makes sense because we tend to put more stock in ideas and advice that come from experts than in those that come from non-experts

a. optimism
b. expertise
c. ethical
d. practicality


b

Communication & Mass Media

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Adam Curry, who is often called "podfather," is said to have invented podcasting

Indicate whether this statement is true or false.

Communication & Mass Media

Statisticians have found that a total of __________ people provides a reliable sample for 95 percent confidence with a 5 percent margin of errors in probability sampling

Fill in the blank with correct word

Communication & Mass Media

Group _____ are rules or standards of behavior identifying which behaviors are considered appropriate and which are considered inappropriate

A) norms B) roles C) values D) beliefs

Communication & Mass Media

Victims of workplace bullying and mobbing report

a. distress, illness, and depression. b. that the law is on their side. c. unintentional criticism, ridicule, and other rude behavior. d. that "blowing the whistle" is the most effective response. e. that ignoring the problem will make it go away faster.

Communication & Mass Media