Assume That Black Beans and Rice Are Consistently in the Diet

question 180

Multiple Choice

Assume that black beans and rice are consistently in the diet of one particular family. How could you tell if these goods were complements, substitutes, or unrelated goods?

• A) If the price of black beans rose and the consumption of rice remained the same, they would be substitutes.
• B) If the price of black beans rose and the consumption of rice increased, they would be substitutes.
• C) If the price of black beans rose and the consumption of rice decreased, they would be substitutes.
• D) If the price of black beans rose and the consumption of both goods remained the same, they would be complements.

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Definitions:

Straightforward Manipulation

The process of altering an independent variable in a simple and clear manner to observe its effect on the dependent variable.

External Validity

The degree to which the results of an experiment may be generalized.

Strong Manipulation

The application of a significant change or intervention in an experiment, aiming to produce a noticeable effect on the dependent variable.

Internal Validity

The certainty with which results of an experiment can be attributed to the manipulation of the independent variable rather than to some other, confounding variable.