When an increase in an independent variable causes a decrease in a dependent variable, the relationship can be referred to as:

Carrying out a survey by interviewing the first 100 people coming out of a movie theater would be an example of

A) a status survey. B) nonprobability sampling. C) probability sampling. D) simple random sampling.

Nuclear proliferation refers to the

A) diplomacy used between countries that have nuclear weapons. B) dismantling of nuclear weapons by the United States and Soviet Union. C) development of nuclear weapons by countries other than the United States. D) failure to determine an accurate number of nuclear warheads per nation. E) creation of huge nuclear arsenals during the Cold War by the United States and Soviet Union.