Which of the Following Is True About an IRB

question 42

Multiple Choice

Which of the following is true about an IRB?

• A)its membership includes nonscientists
• B)it always judges the methodological soundness of studies
• C)its approval is not needed for research completed outside a laboratory
• D)its decisions can be appealed to the APA ethics board

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Definitions:

Contribution Margin

The amount by which a product's sales revenue exceeds its variable costs, contributing towards covering fixed costs and generating profit.

Gross Margin

The difference between sales revenue and the cost of goods sold, representing the core profitability of a company's products.

Variable Cost

Costs that vary directly with the level of production or business activity, including expenses such as raw materials and labor.

Machine Hours

The total operating time of machinery used in the production process during a specific period.