A Researcher Studies Attitudes About Involvement in Foreign Wars Based

question 31

Multiple Choice

A researcher studies attitudes about involvement in foreign wars based upon individual partisanship while controlling for issue salience. She graphs the results on a line-graph and notices that the lines for salience and partisanship cross each other at a point on the chart. This indicates the presence of a(n) ______ relationship.

• A) additive
• B) interactive
• C) spurious
• D) zero-order

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Definitions:

Economies of Scale

Refers to the cost advantage that arises with increased output of a product, leading to a reduction in the per-unit cost.

Marginal Cost

An alternative phrasing expressing the additional cost incurred from the production of the next unit of output.

Average Total Cost

The cost per unit is calculated by dividing the overall production cost by the quantity of units produced.

Average Variable Cost

The total variable cost divided by the quantity of output produced; it shows the variable cost per unit of output.