Which statement is true regarding the Federal Deposit Insurance Corporation? A. It was still in effect until World War II, and included all U. S. banks. B. It is still in effect today, and all national banks are required to participate. C. It was only mandatory during the economic hardship of the 1930s. D. The system fell apart during the Great Depression due to lack of funds.

D

Explanation: The great depression was sad and there was no money:(

its

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.