What turned the tide of the french and indian war in england's favor? a. george washington's victory at fort pitt b. george washington's final stand at fort duquesne c. william pitt's decision to levy heavy taxes against the colonists d. william pitt's decision to make the british military the central fighting force of the war

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.