_____ are scores on a variable converted to standard deviation units.

Which of the following is NOT a problem for phone surveys?

A. low response rates B. growing rates of nonresponse C. the number of callbacks required has increased greatly D. Visual aids cannot be used.

According to an argument from the liberal perspective, what caused both the naval competition between Germany and Great Britain and the military provocation of France and Russia?

a. Czar Nicholas II’s secret diplomacy b. Kaiser Wilhelm II’s clumsy diplomacy c. The declining hegemony of Great Britain d. Shared values between Germany and Serbia