The ________ preserved peace among the great powers throughout the nineteenth century by creating a more multilateral and open system for settling disputes.

In within-subject designs, sequence effects can be controlled by

A) counterbalancing. B) changing the frequency of test conditions. C) giving each participant only one level of the independent variable. D) random assignment of participants to groups.

The Latin term "de jure" suggests that a power or a practice

A. exists in fact, although not in law. B. is imaginary and never existed in fact. C. is the result of a jury verdict from a trial. D. is explained in the law, it is a legal power or practice.