The Number of Subjects Needed for a Study _____

question 9

Multiple Choice

The number of subjects needed for a study _____.​

• A)​is determined by a mathematical formula and should be as small as possible
• B)should be large enough to exclude differences between the control and experimental groups due to chance
• C)should be kept small so that the data are manageable and there is less room for statistical error
• D)is determined by a mathematical formula and should be large enough to exclude differences between the control and experimental groups due to chance
• E)​is determined by randomization and therefore,can be scaled as needed

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Definitions:

Official Poverty Line

A monetary threshold under which an individual or family is considered to be living in poverty, as defined by government statistics.

Department of Agriculture

A government body responsible for formulating and implementing policies related to farming, agriculture, and food.

Minimum Food Budget

The least amount of money required to cover the basic needs for nutritious food for an individual or family, depending on location and dietary requirements.

General Revenues

Funds collected by the government from various sources, like taxes and fees, that are not earmarked for specific purposes.