Why Are Control Groups Included in Experiments

question 85

Multiple Choice

Why are control groups included in experiments?

• A)To determine whether two variables are correlated
• B)To ascertain cause-and-effect relationships
• C)To ensure that participant characteristics are essentially the same in each group
• D)To translate the hypothesis into something testable

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Definitions:

Variable Costs

Prices that adjust based on the quantity of products made or sold.

Pretax Income

Income earned by an entity before any taxes have been deducted.

Operating Leverage

The degree to which a firm or project can increase operating income by increasing revenue, reflecting the fixed versus variable cost structure.

Clockworks Co.

A hypothetical or generic name that could be used to refer to a company specializing in mechanical devices, especially those involving gears and timekeeping mechanisms.