How did Dante Alighieri’s writing influence Italian literature? The subject of Dante’s works did not interest ordinary people, so few people learned to read.
Literature became less accessible to people because it was written in Latin.
Literature became more accessible to people because it was written in the vernacular.
The subject of Dante’s works was condemned by the Catholic Church.

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; they systematic design, collection, interpretation and reporting of information to marketers solve specific marketing problems or take advantage of market opportunities;