The increasing power and rising, countervailing influence of the BRICS countries--some of which are democratic and some of which are not--may lead to changes in the prevalence of democratic diffusion and the dynamics of international organizations promoting democracy. This is evidence of ______.

A school district decided to try a new computerized testing system. Two schools were selected for the trial based on the students being similar at the beginning of the school year

Students at one school were given the paper-and-pencil version of the test while the students at another school received the computerized test version. The results indicated that the students performed better on the computerized version. However, someone pointed out that on the day of the test there was a fire drill at the school using the paper-and-pencil test. This fire drill confound would be described as a. a selection-history bias interaction. b. a selection bias. c. a testing effect. d. an instrumentation effect.

In an effort to effectively control the ballooning growth of campaign contributions, Congress passed the ______.

a. Bipartisan Campaign Reform Act b. Federal Election Campaign Act c. Citizens United Campaign Reform Bill d. Multiparty Campaign Financing Law