When you buy something made in the EU on Amazon, a currency trade occurs to allow you to pay in dollars and for the seller to get paid in Euros. This is an example of ______.

A long, desperate foreign war may give birth to an internal war in a country. This was especially true of ________

a. the 1917 Russia conflict b. World War I c. World War II d. the Ivory Coast conflict of the early 2000s e. the Communist Party takeover of China

Answer the following statement(s) true (T) or false (F)

1. Causation is proved by the correlation of two or more variables. 2. An intervening variable does not affect the causal relationship between a dependent and independent variable. 3. Control variables that are associated with an independent and dependent variable should be included when measuring a relationship to ensure that the observed correlation reflects reality. 4. Each section of a three-way contingency table has separate headings to identify an independent variable’s categories. 5. Controlling for a third variable does not always impact the original relationship between a dependent and independent variables.