Even If Age Is Positively Correlated with Speed of Processing,we

question 67

Multiple Choice

Even if age is positively correlated with speed of processing,we cannot conclude that age "caused" this increase because

• A) response speed is not usually affected by age.
• B) age normally causes a decrease in speed.
• C) only experimental studies can demonstrate cause and effect relationships.
• D) only correlational studies can demonstrate cause and effect relationships.

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Definitions:

Variable Cost Per Unit

Variable cost per unit is the cost that varies with the level of output, calculated by dividing the total variable costs by the number of units produced.

Activity Level

The degree of operational intensity or volume of production in a business, often influencing costs and revenues.

Contribution Margin

The amount by which sales revenue exceeds variable costs, indicating how much revenue contributes toward covering fixed costs and generating profit.

Variable Costs

Costs that change in proportion to the level of activity or volume of goods produced.