When the results of a study can be generalized across variations in the treatment we have

a. treatment variation validity.
b. outcome validity.
c. temporal validity.
d. ecological validity.

A

Political Science

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According to Larry Sabato's study of governors, the quality of governors in recent years compared to those of the mid-twentieth century and earlier:

A. has stayed pretty much the same. B. has gotten worse. C. has improved. D. has become much more varied, with the best governors being better than in former times, and the worst ones being worse than in former times.

Political Science

In both a recent Gallup survey of the American public, and in a recent C-SPAN survey of fifty-eight professional observers of the presidency, President _________ was ranked as the greatest

A) George Washington B) Abraham Lincoln C) Theodore Roosevelt D) Franklin D. Roosevelt E) Ronald Reagan

Political Science