During the early to mid-1800s cotton planters wanted to move westward because

a, eastern states outlawed slavery
b, the climate of the southeast was not well suited to cotton production
c, soil in parts of the south began to lose its fertility
d, western lands were closer to textile mills

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.

answer; (trauma);

answer; empathy;

answer; ( conflict );