The Middle Ages refers to a period of time between the 500’s and the 1500’s.

Please select the best answer from the choices provided

T
F

im sorry i dont know a lot of this but ill try my best

h,c.b.e.d.f.a.g

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.

i’m   sure probably just geuss and see which one you can get right, i’m pretty sure it is the combination of goods and services