Explain the Matched-Pairs Design

question 76

Multiple Choice

Explain the Matched-Pairs Design
-A medical journal published the results of an experiment on insomnia. The experiment investigated the effects of a controversial new therapy for insomnia. Researchers measured the insomnia levels of 48 adult women who suffer moderate conditions of the disorder. After the therapy, the researchers again measured the women s insomnia levels. The differences between the the pre- and post-therapy insomnia levels were reported. How many levels does the treatment have in this experiment

• A) 2 (pre- and post-therapy)
• B) 1 (therapy)
• C) 48 (the adult women who suffer from insomnia)
• D) 96 (the adult women who suffer from insomnia measured pre- and post-therapy)

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Definitions:

Variable Costing

An accounting method that includes only variable costs—costs that change with production levels—in the calculation of cost of goods sold and excludes fixed costs.

Net Operating Income

The total earnings from a company's operations after deducting operating expenses but before interest and taxes.

Net Operating Income

The profit a company makes after deducting operating expenses from gross profit, not including income and expenses from investments and interest.

Variable Costing

An accounting method that only considers variable costs in determining the cost of products.