Do you think Jefferson was a good president? Did he do right by the country?
Why?

Yes he is the good president

Explanation:

He did right by the county

During the Barbary War, Jefferson served as the third president of the United States, stabilizing the economy and defeating pirates from North Africa. Through effectively brokering the Louisiana Purchase, he was responsible for doubling the size of the United States. In addition, he founded the University of Virginia.

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.

anyone me i need