Why should the following line from the U. S. Constitution be considered a hypocrisy? from the US Constitituion "All men are created equal."

In the Constitution it says that "All men are created equal" but slaves and people of color weren't considered equal at the time, making this statement hypocrisy.

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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.