In a Within-Subjects Design

question 1

Multiple Choice

In a within-subjects design:

• A) each participant serves as his or her own control.
• B) participants receive only one level of the independent variable.
• C) between-group variance does not equal error variance at the start of an experiment.
• D) groups are not equated at the start of the experiment.

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Definitions:

Elasticity of Demand

An indicator of the degree to which demand for a product changes in response to a variation in its price, shown as a percentage.

Markup

The amount added to the cost price of goods to cover overhead and profit; a percentage over the cost.

Sales Tax

A levy that a government places on the sale of products and services, usually determined as a portion of the selling price.

Marginal Cost

The extra financial obligation associated with the production of an additional good or service unit.