The major problem causing coordination problems among the various intelligence agencies has been
a. lack of central authority.
b. not enough intelligence agencies.
c. not enough intelligence information gathered.
d. the ease at which information between departments is shared.
A
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How has the United States' approach to foreign policy with China changed over time?
What will be an ideal response?
Random assignment
A) increases confidence that the groups are the same at the start of the study. B) is the best way to increase statistical power. C) is difficult to include in experimental designs. D) maximizes experimental variance.
If the empirical results of your independent samples t test allow you to reject the null hypothesis, this means that
a. one group performed significantly differently than the other group. b. you have no basis to conclude that your experimental treatment was effective. c. the independent variable had no effect. d. you were testing the wrong null hypothesis.
In many ways, No Child Left Behind was a story of ______.
a. academic progressivism b. legislative success c. unintended consequences d. policy revision