It Is Unlikely That the Association May Be Due to a Third

question 16

Multiple Choice

It is unlikely that the association may be due to a third variable if:

• A) individuals are randomly assigned to the treatment and control groups
• B) individuals are randomly assigned to the treatment group but not the control group
• C) individuals are nonrandomly assigned to the control group but not the treatment group
• D) individuals are nonrandomly assigned to the treatment and control groups

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Definitions:

Corn Laws

A series of laws in the 19th century Britain that imposed restrictions and tariffs on imported grain to protect domestic grain producers.

Imports

Goods and services bought by a country from another country, contributing to international trade.

Exports

Goods or services provided by one country to another in exchange for foreign currency, contributing to a country's economic health.

Absolute Advantage

The ability of an individual, company, or country to produce a good or service at a lower cost per unit than the cost at which any other entity produces that good or service.