In an A-A1-B-A1-B Design

question 46

Multiple Choice

In an A-A1-B-A1-B design,

• A) A1 refers to a time when a placebo is in use
• B) A and A1 refer to two different types of treatments being compared
• C) at least three different baselines will be established at different times
• D) A and A1 refer to two people, an experimental subject and a control subject

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Definitions:

Contribution Margin

The amount remaining from sales revenue after variable expenses are deducted, showing the revenue available to cover fixed expenses and provide profit.

Operating Leverage

A measure of how revenue growth translates into growth in operating income, demonstrating the effect of fixed costs on profits.

Contribution Margin

The difference between the sales price of a product and its variable costs, used to cover fixed costs and profit.

Sales Mix

The composition of different products or services sold by a company, which can significantly impact profitability based on the varying margins of each item.