Is the degree to which republicans have become more conservative and democrats have become more liberal.

The correct answer that describes the description above is partisan polarization. This is defined as a case of which the person’s stance in a particular policy or issue is considered to be a strictly defined in regards of one’s persons identification in terms of the particular political party that the person is in or part at.

watching over my siblings so they are safe.

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.