In what way did the research of William Harvey affect modern science? (4 points) a
He changed old ideas about human anatomy.

b
He made advances in geometry and probability.

c
He first used a microscope to study the human body.

d
He discovered that the heart is where circulation starts.

D,He discovered that the heart is where circulation starts.

[content deleted] - user123802726recklesschicken

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.