How do the media affect which issues the public thinks are important?
A by the number of stories they report on an issue or the amount of time they spend covering an issue
B. by telling people what opinion they should have on an issue
C. by including multiple sides of an issue during a news report
D. by the number of advertisements or commercials they sell in support of an issue
Please select the best answer from the choices provided

A. By the number of stories they report on an issue or the amount of time they spend covering an issue

Explanation:

your answer should be c, it seems to be the only one that makes sense. mark me branliest : )

answer:

d. because dr. laguardia selected a widely used measure, his study generalizes to has strong external validity. external validity has limited external validity. other applications of this measure.

the widely used measure that he applied to his experiment was the benton facial recognition test. it employed on to football players and as result, only players who suffered brain concussions did not pas this test. and although it has an external validity, it is limited because it isn't general to apply to other population.