Taking a Broader Perspective: the Problem of External Validity Researchers

question 20

Multiple Choice

Taking a Broader Perspective: The Problem of External Validity Researchers pool data and base their conclusions on group averages in

• A)aggregation over measures.
• B)aggregation over stimuli.
• C)aggregation over subjects.
• D)aggregation over trials.

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Definitions:

Degree Of Operating Leverage

A measure, at a given level of sales, of how a percentage change in sales will affect profits. The degree of operating leverage is computed by dividing contribution margin by net operating income.

Variable Expenses

Costs that vary in direct proportion to changes in an activity level or volume, such as sales commissions.

Sales Increase

The rise in the volume or amount of sales or revenue a company achieves in a specific period compared to a previous period.

Advertising Campaign

A series of advertisement messages in various media that share a single idea and theme intended to achieve marketing objectives.