When kristen said, "so we must all do something to end domestic violence; we must all be prepared to confront this issue in our own neighborhoods and homes, so that we become part of the solution, not part of the problem," you recognize this as?

I believe the answer is: a statement to motivate the audience to respond

from the sentence above, kristen is trying to appeal to the audience's emotion by highlighting aq certain type of cause that sounds relatable among the audiences. The appeal would most likely make the audiences  imagine themselves being in the position of the victim, and improve the likelihood that they would do something to help address the issue.

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.