What date were the Nuremberg Race Laws Enacted?

The Nuremberg Laws were antisemitic and racist laws in Nazi Germany. They were enacted by the Reichstag on 15 September 1935, at a special meeting convened during the annual Nuremberg Rally of the Nazi Party

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.