When Chief Justice Fred Vinson suffered a heart attack, Eisenhower appointed ___________ to take his place

What is the United States' strongest card when it comes to continued economic success, according to Subramanian?

a. a large military b. a large population c. many trading partners d. its entrepreneurial culture e. a good educational system

Which type of validity involves two measures which theoretically are expected not to be related and thus the correlation between them is expected to be low or weak?

a. Face b. Content c. Construct d. Discriminant